英语的过去完成时和现在完成时有什么区别 英语现在完成时和过去完成时有哪些区别

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1).
i
have
been
to
Peking
many
times.
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2).
he
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so
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for
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1\uff09.
he
has
lived
here
since
1949.
2)
he
has
lived
here
for
40
years.
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1\uff09by
the
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had
been
a
teacher
for
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became
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现在完成时是英文时态的一种
现在完成时的用法
主语+have(has)+过去分词(done)
(1.)定义:现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在.
I have lost my wallet.(含义是:现在我没有钱花了.)
Jane has laid the table.(含义是:简已在吃饭.)
Michael has been ill.(含义是:现在仍然很虚弱)
He has returned from abroad. (含义是:现在已在此地)
(2.)定义2: 现在完成时可以用来表示发生在过去某一时刻的,持续到现在的情况,常与for,since连用.
Mary has been ill for three days.
I have lived here since 1998.
注意: 1.现在完成时不能单独与准确时间连用,如yesterday(morning、afternoon),last(morning、afternoon)等,除非与for,since连用.
2.现在完成时往往同表示不确定的过去时间状语连用,如already, yet, just, before, recently,still, lately等:
He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
3. 现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice, on several occasion等:
Have you ever been to Beijing
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
4. 现在完成时还往往可以同包括现在时间在内的时间状语连用,如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等:
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has been too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
5. 现在完成时表示现在之前业已完成的动作,虽然其效果或影响仍然存在但已不再继续,但是有一些现在完成时的句子,在后面加上for+一段时间,则现在完成时的动作就表示延续性.
Thomas has studied Russian. (现在不再学俄语)
Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2点用法第一个例句)
6. 现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作.
We have had four texts this semester.
===================
现在完成时的“完成用法”和“未完成用法”
1.现在完成时的"完成用法"
现在完成时的"完成用法"指的是动作发生在过去某一时刻并已结束,但该动作对现在产生了影响,与现在情况具有因果关系。
例如:He has turned off the light.他已把灯关了。(动作结束于过去,但说明的是现在的情况--灯现在不亮了。)
现在完成时"完成用法"的特点是动作不延续,因此,该时态只能与表示不定的过去时间状语(如:already,yet,before,recently等)、频度时间状语(如:never,ever,once等)、包括现在时刻在内的时间状语(如:this morning / month /year...,today等)连用。
例如: Have you found your pen yet?你已找到你的钢笔了吗?
2.现在完成时的"未完成用法"
现在完成时的"未完成用法"指的是动作开始于过去某一时刻,一直延续到现在,或可能还要继续下去。
例如:He has lived here since 1978.自从1978年以来,他一直住在这儿。(动作起始于1978年,一直住到现在,可能还要继续住下去。)
I have been in the army for more than 5 years.我在部队已经呆了五年多了。(动作开始于5年前,一直延续至今,有可能还要继续下去。)
此种用法的句中常需一个表示一段时间的状语(由since或for引导),或表示与现在时刻相连的时间状语(如:up to now,so far)等。
例如:I have heard nothing from him up to now.到目前为止我没有他的任何消息。
注意:(1)现在完成时的未完成用法只适用于延续性动词,不可用于终止性动词,即瞬间完成或延续时间很短的动词。如:come,go,arrive,leave,join,become,die等。
(2)现在完成时常见两种句型:
①for短语
②It is+一段时间+ since从句
3.一段时间+has passed+since从句
4.主语+have / has been+since短语
例如:He has been in the League for three years.
或It is three years since he joined the League. 他入团已三年了
一.have/has been doing sth.
for和since的运用
for表示及“经历(一段时间)”,而since表示“从……以来”。常见结构:
for+一段时间;since+一段时间+ago;since+一个时间点;since+从句
如:He has stayed here for 3 hours .他留在这儿已经有三个小时了。
He has stayed here since 3 hours ago.他三个小时前就已经留在这儿了。
He has stayed here since 3 o'clock. 他从三点钟一直留在这儿。
He has talled English since he came here .他到这以后就教英语。
1.现在完成进行时
当后面接有一段时间的词时,或是加表示时间的词时,可以用现在完成时.如果这件事现在还在持续或还在做,则可用
现在完成进行时.
如:I have been skating for 4 hours.
I have finished my homework.
2.现在完成时的被动语态.
后接动词的过去分词.
如:The building has been built for 5 years.
二.一般现在时:用动词原形
一般过去时:用动词的过去式
一般将来时:will/shall+do
is/am/are going to do
过去将来时:could/would do
现在完成时:have/has done
过去完成时:had done
将来完成时:shall have done
过去将来完成时:would/could have done
现在进行时:is/am/are doing
过去进行时:was/were doing
将来进行时:will/shall be doing
过去将来进行时:would/could be doing
现在完成进行时:have/has been doing
过去完成进行时:had been doing
将来完成进行时:shall have been doing
过去将来完成进行时:would have been doing
此时态一般在中学学习
过去分词的构成:
1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。四点变化规则:
⑴、一般动词,在词尾直接加“ ed ”。
work---worked---worked ,visit---visited---visited
⑵、以“ e ”结尾的动词,只在词尾加“ d ”。
lived---lived---lived ,
⑶、以“辅音字母 + y ”结尾的动词,将 "y" 变为 "i" ,再加“ ed ”。
study---studied---studied ,cry---cried---cried ,
play---played---played ,stay---stayed---stayed
⑷、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。
stop---stopped---stopped , drop---dropped--dropped
2 、不规则动词:不规则动词的过去分词要特别牢记,详见课后附录中的不规则动词表.
两种时态的区分:
( 1 )、一般过去时的谓语动词用过去式,而现在完成时的谓语基本构成是“助动词 have/ has + 过去分词”。
(2) 、一般过去时通常与表示过去的时间状语连用。如: yesterday, last week , two years ago ,just now ,in 2002 等;而现在完成时则常与 just ,already ,ever ,never 等副词和 these days ,this week ,since ......, for ...... 等表示一段时间的状语连用。
试比较以下几组句子,有什么区别:
① A:Have you seen the film ?
B:Did you see the film ?
分析:你看过这部电影吗?( A )句强调的是被问者对剧情是否了解;( B )句强调的是看这部电影的动作是否发生过,并不强调是否知道其内容。
② A:How has he done it ?
B:How did he do it ?
分析:他是怎么做的这件事?( A )句强调的是他做着件事的方式对现在产生了某种影响;( B )句单纯的询问做这件事的方式。
③ A:He has lived in Beijing for 8 years .
B:He lived in Beijing for 8 years .
分析:他在北京住了 8 年。( A )句讲的是到目前为止他在北京住了 8 年,可能还会继续在北京住下去。( B )句讲的是他在北京住过 8 年,现在已经不在北京了。
(2)现在完成时强调过去发生的动作对现在的影响和结果,而一般过去时与现在没有联系,只是说明某个动作发生的时间是在过去。
比:I have washed the car. 我洗过了车。(看上去很漂亮)
I washed the car a moment ago. 我刚才洗过车了。
She has watered the flowers. 她已经浇了花。(不需要再浇了)
She watered the flowers yesterday. 她昨天浇的花。
I have written the letter but I haven't posted it yet. 信我已经写好了,但还没有寄出。
I wrote the letter last week and I posted it three days ago. 我上周写的那封信,3天前寄出的。
(3)现在完成时表示的动作或状态延续到现在并可能延续下去,而一般过去时则单纯表示过去某段时间内的经历。
比:It has rained for five hours. 雨已经下了5个小时了。
It rained for live hours yesterday. 昨天下了5个小时的雨。
He has waited for her for two hours. 他等她已经两个小时了。
He waited for her two hours and then went home. 他等她等了两个小时,然后就回家了。
I have reviewed two lessons this morning. 今天上午我已经复习了两课。(说话时还在上午)
I reviewed two lessons this morning. 今天上午我复习了两课。(说话时已是下午或晚上)

概念
表示过去某时正在进行的状态或动作。
[编辑本段]过去进行时的主要用法
1.表示过去某一时间内(正在)进行的动作
如:I was doing my homeworks at 9 o'clock p.m. last Sunday.
2.表示一动作发生时,另一动作正在进行
如:I was reading books,while he was cleaning the floor.
3.表示一个动作正在进行时,另一个动作发生了
如:he was playing when I was studying.
4.表示过去将要发生的动作
She told us Mr.Lee was arriving here.
5.用于故事,以提供其时间背景
6.表示礼貌
[编辑本段]常用的时间状语
this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while
My brother fell while he was riding his bicycle and hurt himself.
It was raining when they left the station.
When I got to the top of the mountain, the sun was shining.
[编辑本段]典型例题
(1) Mary ___ a dress when she cut her finger. A. made B. is making C. was making D. makes 答案C. 割伤手指是已发生的事情,应用过去时。同 时,when表时间的同时性,"玛丽在做衣服时"提供事情发生的背景,因此用过去进行时。 (2) As she ___ the newspaper, Granny ___ asleep. A.read; was falling B. was reading; fell C. was reading; was falling D. read;fell 答案B.句中的as = when, while,意为"当……之时"。描述一件事发生的背景时,用过去进行;一个长动作发生的时候,另一个短动作发生。句意为 "在她看报纸时,奶奶睡着了。"句中的 fell (fall的过去时),是系动词,后跟形容词,如:fall sick。 过去进行时的基本用法:表示过去某个时刻或时间正在进行过持续进行的动作,句中往往需要有时间状语来表示这一特定的时间. What were they doing just now? 他们刚才在干什么? ________________________________________________________________
[编辑本段]具体概念
一、 概念和用法:过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。其形式为was /were + V-ing。常与表示过去的时间状语连用,如:last night, last Saturday等;或者与when, while, as引导的过去时间状语连用。例如: We were watching TV from seven to nine last night. 昨天晚上七点到九点的时候我们在看电视。 What was he researching all day last Sunday? 上周日他一整天都在研究什么?
二、 过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。如: What was she doing at nine o‘clock yesterday? 昨天晚上九点她在做什么? (介词短语表示时间点) When I saw him he was decorating his room. 当我看见他的时候他正在装饰房间。 (when从句表示时间点)
三、 在复合句中,如果主要动作和背景动作都是延续的或同时发生的,那么主从句的动词都可用过去进行时。例如: While he was waiting for the bus, he was reading a newspaper.他边等车边看报。 (两个动作都是延续的) He was cleaning his car while I was cooking. 他擦车时我在做饭。(两个动作同时进行)
四、 通常不能用于过去进行时的动词主要有:agree, be, believe, belong, care, forget, hate, have(拥有), hear, know, like, love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish等。
例如: 误:I was knowing the answer. 正:I knew the answer. 我知道答案。
误:I wasn‘t understanding him. 正:I didn‘t understand him. 我不明白他的意思。

现在完成时
1.表示过去发生的但对现在有影响的动作,可以不用时间状语。也可以和一些表示不定过去的时间状语连用,比如already,yet,ever,never,just,once,recently 等。
1). i have been to Peking many times. 我多次去过北京(现在对北京有所了解)
2). he has bought a car.(现在他有车可以开了)
2.表示从过去某时间开始一直延续到现在的动作。一般要跟个表示一段时间的状语since, so far, in recently years, for +时间段。
例如
1). he has lived here since 1949.
2) he has lived here for 40 years.

过去完成时
表示过去某一时刻以前已经完成的动作,常由by, before等。主要是宾语或定语从句中常见。状语从句也会用到
1)by the end of last year, i had worked in this college for ten years.去年年底是过去时间,而在大学工作十年是在去年年底之前,故用过去完成)
2)he had been a teacher for years before he became a writer.(成为作家是过去式,而做老师是在成为作家之前,过去的过去就用过去完成式)
3)he knew that he had made a mistaken (他知道为过去式,而犯错是在知道之前,过去的过去)

不知清楚了没?

一般过去时态表示的是“过去时间发生的动作”,强调动作本身,用动词的过去式表示;现在完成时态表示的是“过去发生的动作兑现在造成的影响或结果”,强调的是“现在的情况”,用have/ has +过去分词表示。要准确理解时态概念,抓住时态特征。

过去完成时:表示过去的过去
----|-------|-----|----> 其构成是had +过去分词。
那时以前 那时 现在

现在完成时:表示过去发生的某事对现在的影响和结果
其构成是have+过去分词

  • 鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃鐨勫尯鍒.
    绛旓細杩囧幓瀹屾垚鏃剁殑鍔ㄤ綔鍙戠敓鍦ㄨ繃鍘,鏃堕棿鍙傜収鐐规槸杩囧幓鐨勬煇涓鏃堕棿,鏄竴涓浉瀵圭殑鏃舵,浠ヨ繃鍘绘椂闂翠负鍩虹偣,瀹冩墍琛ㄧず鐨勫姩浣滀笉浠呭彂鐢熷湪杩囧幓,鏇村己璋冭繃鍘鐨勮繃鍘銆傜幇鍦ㄥ畬鎴愭椂鐨勫姩浣滃彂鐢熷湪杩囧幓,浣嗘椂闂村弬鐓х偣鏄幇鍦ㄣ備互鐜板湪鐨勬椂闂翠负鍩虹偣,浣嗕晶閲嶅鐜板湪浜х敓鐨勭粨鏋滄垨閫犳垚鐨勫奖鍝,涓庣幇鍦ㄦ湁鍏炽 杩囧幓瀹屾垚鏃跺拰鐜板湪瀹屾垚鏃鐨勫尯鍒 1銆佺幇鍦ㄥ畬鎴愭椂...
  • 鑻辫涓鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃鐨勫彞鍨嬫槸浠涔?
    绛旓細鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃锛屾垜浠鍏堜竴瀹氳鐭ラ亾锛屼粬浠湪鏁翠綋鏃舵佷腑鐨勪綅缃紝鎴戜滑鐨勬椂闂达紝鏈夊洓涓椂闂达紝浣撴湁鍥涗釜浣擄紝鎵璋撲綋鎸囩殑鏄姩浣滃拰鏃堕棿鐨勫叧绯伙紝鏄釜鏃堕棿鎸囩殑鏄繃鍘伙紝鐜板湪锛屽皢鏉ワ紝杩囧幓灏嗘潵锛屽洓涓綋锛屾寚鐨勬槸锛屼竴鑸綋锛岃繘琛屼綋锛屽畬鎴愪綋鍜屽畬鎴愯繘琛屼綋锛4涔4锛屼箻鍒颁竴璧峰悗鎴戜滑灏变細鍙戠幇鏈16涓椂鎬侊紝杩16涓椂鎬...
  • 杩囧幓瀹屾垚鏃,鐜板湪瀹屾垚鏃,涓鑸杩囧幓鏃舵湁浠涔堝尯鍒
    绛旓細The children went out just now. 瀛╁瓙浠垰鎵嶅嚭鍘讳簡銆係he died ten years ago. 濂瑰崄骞村墠灏卞幓涓栦簡銆鐜板湪瀹屾垚鏃 鐢県ave 锛坔as) +杩囧幓鍒嗚瘝鏋勬垚銆備富瑕佹湁涓や釜鐢ㄦ硶锛1. 琛ㄧず杩囧幓鍙戠敓鐨勪絾瀵圭幇鍦ㄦ湁褰卞搷鐨勫姩浣溿傝繖鏃讹紝鍙互涓嶇敤鏃堕棿鐘惰锛屼篃鍙拰涓浜涜〃绀轰笉瀹氳繃鍘荤殑鏃堕棿鐘惰杩炵敤锛屽父瑙佺殑鏈塧lready锛寉et锛宯ever...
  • 鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃舵湁浠涔堝尯鍒?
    绛旓細14銆乭ope...+should/would鍨嬪畬鎴愭椂浠庡彞銆俬ope锛宼hink锛宔xpect鐨勮繃鍘寮忎箣鍚庯紝鍔犱笂鈥漵hould鎴杦ould+瀹屾垚寮"锛屽父琛ㄧず鏈熸湜銆佸笇鏈涜惤绌猴紝娌℃湁瀹炵幇銆15銆鐜板湪瀹屾垚鏃鍙悓杩涜鏃舵湭瀹屾垚鐨勫姩浣滆繘琛屽姣斻16銆乬et鐨勭幇鍦ㄥ畬鎴愭椂銆俫et鐨勭幇鍦ㄥ畬鎴愭椂鏄痟ave/has got锛岀編寮鑻辫涓敤gotten銆俬ave/has got鍦ㄥ彛璇腑寰寰浠呮槸涓...
  • 鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃舵湁浠涔堝尯鍒?
    绛旓細娉ㄦ剰锛氬綋琛ㄧず涓娈垫椂闂达紝鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃閮藉彲浠ョ敤for 鎴杝ince寮曞鐨勭姸璇備緥濡傦細Have you had your lunch yet? 浣犲悆鍗堥キ浜嗗悧锛焂es, I have . I鈥檝e just had it. 鏄殑锛屾垜鍒氬悆瀹屻侷 have had a clock now. 鎴戠幇鍦ㄦ湁涓涓椆閽熶簡銆侶ave you already posted the photos? 浣犳妸鐓х墖瀵勮蛋...
  • 鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃鐨勫尯鍒
    绛旓細1. 鐜板湪瀹屾垚鏃锛岃〃绀哄姩浣滃彂鐢熷湪杩囧幓锛屼絾鏄鐜板湪閫犳垚涓瀹氱殑褰卞搷锛屾湁鍙兘鏄姩浣滃凡缁忕粨鏉燂紝涔熸湁鍙兘鍔ㄤ綔鑷繃鍘诲彂鐢熶竴鐩存寔缁埌鐜板湪銆2. 杩囧幓瀹屾垚鏃锛岃〃绀哄湪杩囧幓鏌愪竴鏃堕棿涔嬪墠宸茬粡鍙戠敓鐨勫姩浣滐紝涓嶅鐜板湪閫犳垚浠讳綍褰卞搷銆傚姩浣滀笉鏄寔缁у姩浣溿傜畝鏄撶悊瑙e氨鏄滆繃鍘鐨勮繃鍘鈥3. 鐢ㄥ熀鏈暟杞磋〃绀轰负锛氣斺 杩囧幓鐨勮繃鍘伙紙...
  • 鑻辫涓鐜板湪瀹屾垚鏃,涓鑸杩囧幓鏃跺拰杩囧幓瀹屾垚鏃舵湁浠涔堝尯鍒
    绛旓細鐜板湪瀹屾垚鏃舵湁涓ょ鐢ㄦ硶锛屼竴鏄己璋冭繃鍘荤殑鍔ㄤ綔瀵圭幇鍦ㄩ犳垚鐨勫奖鍝嶏紝濡:I have had dinner.鎴戝凡缁忓悆杩囨櫄楗簡銆傝█涓嬩箣鎰忓氨鏄垜宸茬粡鍚冮ケ浜嗐備簩鏄寚杩囧幓鐨勫姩浣滃欢缁埌鐜板湪锛屽:I have studied English for three years.鎴戝涔鑻辫宸茬粡鏈変笁骞翠簡銆備竴鑸杩囧幓鏃寮鸿皟鍔ㄤ綔鍙戠敓鍦ㄨ繃鍘伙紝甯歌窡琛ㄧず杩囧幓鏃堕棿鐐圭殑鏃堕棿鐘惰杩炵敤...
  • 鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃鐨勫尯鍒
    绛旓細1銆佹槸鍚﹀鐜板湪鏈夊奖鍝 鐜板湪瀹屾垚鏃琛ㄧず鍔ㄤ綔鍙戠敓鍦ㄨ繃鍘伙紝浣涓庣幇鍦ㄦ湁鍏崇郴锛屽嵆鐢ㄤ竴涓彂鐢熷湪杩囧幓鐨勫姩浣滄潵璇存槑鐜板湪鐨勬儏鍐碉紝瀵鐜板湪杩樻湁鐫涓瀹氱殑褰卞搷銆傝杩囧幓瀹屾垚鏃鍙傚悎琛ㄧず鍦ㄨ繃鍘绘煇涓娈垫椂闂存垨鍔ㄤ綔浠ュ墠宸茬粡瀹屾垚鐨勫姩浣滐紝涓嶈皥鍙婂鐜板湪鐨勫奖鍝嶃2銆佺粨鏋勪笂鐨勪笉鍚 鐜板湪瀹屾垚鏃剁殑缁撴瀯涓猴細涓昏 + have / has + 杩囧幓...
  • 杩囧幓瀹屾垚鏃跺拰鐜板湪瀹屾垚鏃舵湁浠涔堝尯鍒
    绛旓細etc鈥濄 杩囧幓瀹屾垚鏃: 甯哥敤鐨勬椂闂寸姸璇寘鎷 鈥渂y, at, before绛夋瀯鎴愮殑鐭鈥濄 娉ㄦ剰锛氬綋琛ㄧず涓娈垫椂闂达紝鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃閮藉彲浠ョ敤for 鎴杝ince寮曞鐨勭姸璇 (涓)浣跨敤鏃舵敞鎰忎簨椤 浣跨敤鐜板湪瀹屾垚鏃跺簲璇ユ敞鎰忥細 1.鈥 have/ has got 鈥濆舰寮忎笂鏄竴绉嶅畬鎴愭椂锛屼絾鍜宧ave/ has 涓哄悓涓鎰忎箟锛屽嵆 鈥滄湁鈥濄
  • 鑻辫鐜板湪瀹屾垚鏃跺拰杩囧幓瀹屾垚鏃鐨勫尯鍒
    绛旓細We have lived here for ten years.锛堚滀綇鈥濅粠杩囧幓鎸佺画鍒扮幇鍦ㄧ殑鍔ㄤ綔鐢鐜板湪瀹屾垚鏃锛塛e have lived here since we came here.锛堚滀綇鈥濇槸浠庤繃鍘绘寔缁埌鐜板湪鐨勫姩浣滅敤鐜板湪瀹屾垚鏃讹級2銆杩囧幓瀹屾垚鏃鍒欎富瑕佷綋鐜拌繃鍘诲彂鐢熺殑涓ゅ姩浣滅殑鍏堝悗鏈夊埆锛岃〃杈剧殑鏄滆繃鍘鐨勮繃鍘鈥濓紝鍗虫瘮杩囧幓鍙戠敓鐨勬煇鍔ㄤ綔閮借繕瑕佲滆繃鍘烩濓紝涓...
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