为什么说是A、is？ is-a什么意思，has-a什么意思
java\u4e2d\u8bf4\u7684is-a\u5173\u7cfb\u662f\u6307\u4ec0\u4e48\uff1f\u6c42\u8be6\u7ec6\u89e3\u7b54is-a\u5c31\u662f\u7ee7\u627f\u7684\u5173\u7cfb
\u6bd4\u5982\u732a\u7ee7\u627f\u52a8\u7269\uff0c\u90a3\u4e48\u732aIS-A\u52a8\u7269
is-a\u8868\u793a\u7684\u662f\u201c\u7ee7\u627f\u201d\uff0chas-a\u8868\u793a\u7684\u662f\u201c\u5305\u542b\u201d
\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff0chas-a\u662f\u201c\u5408\u6210\u5173\u7cfb\u201d\uff0c\u4e00\u4e2a\u6574\u4f53\uff0c\u7531\u591a\u4e2a\u90e8\u5206\u7ec4\u6210\uff0cis-a\u662f "\u7ee7\u627f\u5173\u7cfb "\uff0c\u6709\u4f9d\u8d56\u5173\u7cfb\u7684\uff0c\u7279\u522b\u4f53\u73b0\u5728\u201c\u7c7b\u201d\u7684\u5173\u7cfb\u4e0a\u3002
\u7b80\u5355\u7684\u8bf4\uff0c\u4f60\u770bC\u7c7b\u7684\u7236\u7c7b\u7684\u7236\u7c7b\u7684\u7236\u7c7b\u2026\u2026\u2026\u2026\u4f1a\u4e0d\u4f1a\u662fA\u7c7b
\u5982\u679c\u662f\uff0c\u5c31\u662fis-a\u5173\u7cfb
\u4f60\u770b\u4f60A\u7c7b\u7684\u5bf9\u8c61\u662f\u4e0d\u662f\u5728C\u7c7b\u4e2d\u4f5c\u4e3a\u6210\u5458\u53d8\u91cf\u58f0\u660e\u7684
\u5982\u679c\u662f\uff0c\u5c31\u662fhas-a\u5173\u7cfb
\u7efc\u4e0a\u6240\u8ff0,\u5e94\u8be5\u662f\u9009\u62e9D
\u56e0\u4e3aC\u7ee7\u627f\u81eaB,\u800cB\u7ee7\u627f\u81eaA,\u6240\u4ee5\u8bf4C is A
\u800cC\u4e2d\u5305\u542bB\u7c7b\u7684\u5bf9\u8c61,\u56e0\u6b64\u4e5f\u7ee7\u627f\u4e86\u6765\u81eaB\u7c7b\u7684A\u7c7b\u7684\u5bf9\u8c61,\u6240\u4ee5\u4e5f\u5b58\u5728C has A\u7684\u5173\u7cfb
\u53e6\u5916,\u4f60\u63d0\u76844\u4e2a\u95ee\u9898
2.\u53ef\u4ee5\u8fd9\u4e48\u8bf4
3.\u53ea\u8981\u6709\u58f0\u660ehas\u5173\u7cfb\u5c31\u53ef\u4ee5\u6210\u7acb
4.\u4e0d\u4e00\u6837,C#\u662f\u5927\u5c0f\u5199\u654f\u611f\u7684,B\u548cb\u53ef\u4ee5\u662f2\u4e2a\u4e0d\u540c\u7684\u7c7b
绛旓細A鏄唬琛ㄥ崟鏁版瀛愪篃鏄唬琛ㄥ崟鏁锛屼絾鏄鏋滃湪鐗规畩鏉′欢涓嬩娇鐢ㄧ殑璇涓嶄竴鏍凤紝閭ｄ箞琛ㄧ幇鐨勫惈涔夊氨涓嶄竴鏍枫傝鎸囩殑鏄垜鎴栬呮槸鎴戜滑鎸囩殑鏄崟涓傞偅鍙槸鏄粈涔堜粈涔堜笢瑗胯〃鍏抽敭璇嶃侷 am a policeman銆
绛旓細a 涓鑸敤鎸囦唬涓涓笢瑗锛 a dogs a tree 锛屼竴鍙嫍锛屼竴妫垫爲 are 鐢ㄥ湪浜烘暟澶氱殑鏃跺欙紝 they are friend 锛屼粬浠槸鏈嬪弸 is 鏄寚杩欎釜涓滆タ鏄粈涔 this is a tree 杩欐槸涓妫垫爲
绛旓細鎰忔鏄疉灏辨槸apple杩欎釜鍗曡瘝閲岀殑A 锛 涔熷彲浠ヨ A is for animal锛屾剰鎬濇槸A瀛楁瘝灏卞拰鍗曡瘝animal閲岄潰鐨凙涓鏍枫傝繖鏄吀鍨嬬殑鑻辨枃琛ㄧず鏂瑰紡锛 鏄负浜嗘柟渚夸汉鏇村揩鐨勮瘑鍒傝嫳璇幆澧冧腑浼氶亣鍒颁綘璇寸殑瀛楁瘝锛屾湁鏃跺洜涓烘煇绉嶆儏鍐靛埆浜哄惉涓嶆竻锛屾垨鏄鏄撳拰鍒殑瀛楁瘝娣锋穯锛屾瘮濡傚瓧姣岯鍜孌鏈夋椂灏变細璁╀汉鍒嗚鲸涓嶆竻锛屽嵆浣挎槸姣嶈鏄嫳...
绛旓細is 鏄郴鍔ㄨ瘝锛岃繕鏈塧m, are涔熸槸绯诲姩璇嶃俛 鏄笉瀹氬啝璇銆傝繖涓や釜璇嶄笉鏄繛鍦ㄤ竴璧风敤鐨勶紝鏈夋椂鍊欑湅鍒颁粬涓よ繛鍦ㄤ竴璧凤紝姣斿锛孒e is a boy. 锛堜粬鏄竴涓敺瀛╁瓙銆傦級锛岃繖骞朵笉鏄浐瀹氱殑锛屽洜涓轰綘涔熷彲浠ヨ锛寉our clothes is pretty.(浣犵殑琛ｆ湇濂芥紓浜) 锛屽叿浣撻棶棰樺叿浣撳垎鏋愩傛讳箣锛宨s 鍚庨潰涓嶆槸涓瀹氳鐢╝鐨勶紝...
绛旓細闆嗗悎鍚嶈瘝浣滀富璇椂锛屼富璋撲竴鑷村叧绯绘槸涓涓緝涓哄鏉傜殑闂銆傚姝ょ被闂鎴戜滑鍙互浠庘滄暟鈥濈殑瑙掑害鍒嗕负鍥涚被銆1)鍗曟暟鈥斿鏁板瀷銆傚嚒鏄湁澶嶆暟璇嶅熬鍙樺寲褰㈠紡鐨勯泦鍚堝悕璇嶉兘灞炰簬姝ょ被銆傚锛a class鈥攃lasses; a family鈥攆amilies; a government鈥攇overnments; an army鈥攁rmies; a people鈥攑eoples; a group鈥攇roups; a ...
绛旓細涓鍙岄瀷瀛愮殑鈥滀竴鈥濊〃绀虹殑鏄崟鏁帮紝铏界劧闉嬪瓙鏄鏁板舰寮忥紝鍥犱负涓鍙岄瀷瀛愭湁涓ゅ彧锛岃屾暣浣撹〃绀虹殑鏄滀竴鍙屸濓紝鎵浠ユ槸鍗曟暟褰㈠紡锛岃鐢ㄢis鈥濄備竴鍓溂闀滅殑鑻辫涓衡渁 pair of glasses鈥濓紝鍚庨潰涔熸槸璺熲渋s鈥濓紝鍜屸渁 pair of shoes鈥濆悓鐞嗭紝琛ㄧず鐨勬暣浣撲负鍗曟暟锛屾墍浠ョ敤鈥渋s鈥濄傗渁 pair of鈥濈殑鍚屼箟璇嶈鲸鏋愶細1銆乤 ...
绛旓細is a 鏄嫳鏂囦腑鐨勪竴涓瘝璇紝瀹冭〃绀烘煇涓簨鐗╂槸鍙︿竴涓簨鐗╃殑涓绉嶅舰鎬併備緥濡傦紝鐚槸涓绉嶅姩鐗╋紝鑻规灉鏄竴绉嶆按鏋溿俰s a 鐨勬蹇垫槸闈㈠悜瀵硅薄缂栫▼涓潪甯搁噸瑕佺殑姒傚康锛屽畠鍙互甯姪绋嬪簭鍛樺湪璁捐绫荤殑鏃跺欑‘瀹氭纭殑缁ф壙鍏崇郴锛屾彁楂樹唬鐮佺殑鍙鎬у拰鍙淮鎶ゆс傚湪浣跨敤is a 鐨勬椂鍊欙紝闇瑕佺‘瀹氫袱涓簨鐗╀箣闂寸殑缁ф壙鍏崇郴锛屽嵆涓...
绛旓細are鏄窡鐫you鐨勩傝繖閲寉ou鏄富璇紝are鏄皳璇姩璇嶏紙绯诲姩璇嶏級锛岃嚦浜庡悗闈㈢殑鍗曟暟杩樻槸澶嶆暟涓嶇敤绠°傚鏋滀富璇槸he锛坰he锛夌殑璇濓紝鍚庨潰灏辩敤is浜嗐傝嚦浜庨偅涓竴涓敤鍗曟暟鐨勶紝涓鑸槸there be鍙ュ瀷銆
绛旓細is鎰忔濇槸涓巚-ing杩炵敤鏋勬垚鐜板湪杩涜鏃讹紝涓巚-ed杩炵敤鏋勬垚琚姩璇侊紱涔熸槸锛be鐨勭涓変汉绉板崟鏁颁竴鑸幇鍦ㄦ椂锛夈傜浉鍏充緥鍙ワ細Spain is our favorite holiday spot.瑗跨彮鐗欐槸鎴戜滑鍠滄鐨勫害鍋囧湴鐐广
绛旓細鍥犱负name鏄崟鏁帮紝鎵浠ョ敤is銆傚鏋滄槸names锛屽氨寰楃敤are浜嗐傚鏋滄槸names鐨勮瘽锛屽繀椤荤敤are锛屽洜涓簄ames鏄鏁帮紝澶嶆暟鐨勮皳璇姩璇嶏紝瑕佺敤澶嶆暟褰㈠紡锛宎re灏辨槸瀵逛簬澶嶆暟鐢ㄧ殑锛岃繖鏄瀹氥傚洜涓簓ou鏄浜屼汉绉颁唬璇嶏紝涔熷緱鐢╝re锛岃繖涔熸槸瑙勫畾銆備絾濡傛灉鏄痟e鐨勮瘽锛屽氨寰楃敤is銆傚彧鏈夌浜屼汉绉颁唬璇嶏紝鎵嶇敤are銆傝嫳璇鏁扮浉鍏冲悗缂 -es ...
