when walking down the street中when是什么词性？ when是什么词性
I was walking down the street when a UFO landed right in front of me.\u4ec0\u4e48\u610f\u601d\uff1f\u5f53\u4e00\u4e2a\u4e0d\u660e\u98de\u884c\u7269\u6b63\u597d\u5728\u6211\u524d\u9762\u7740\u9646\u65f6\u6211\u6b63\u5728\u8857\u4e0a\u8d70\u7740\u3002
\u6ee1\u610f\u8bf7\u91c7\u7eb3
when\u8bcd\u6027\u6709\u526f\u8bcd\u3001\u4ecb\u8bcd\u3001\u8fde\u8bcd\u548c\u540d\u8bcd\u56db\u79cd\u3002
when\uff0c\u82f1\u8bed\u3002
[\u82f1][wen] [\u7f8e][wɛn]
adv.\u4ec0\u4e48\u65f6\u5019; \uff08\u7528\u4e8e\u65f6\u95f4\u7684\u8868\u8fbe\u65b9\u5f0f\u4e4b\u540e\uff09\u5728\u90a3\u65f6; \u5176\u65f6; \u5f53\u65f6;
conj.\u5728\u2026\u65f6; \u65e2\u7136; \u5982\u679c;
pron.\u4ec0\u4e48\u65f6\u5019; \u90a3\u65f6;
n.\u65f6\u95f4\uff0c\u65f6\u5019; \u65e5\u671f; \u573a\u5408\u3002
\u6269\u5c55\u8d44\u65991\u3001[adv.]
(1)[\u7591\u95ee\u526f\u8bcd]\u4ec0\u4e48\u65f6\u5019\uff0c\u4f55\u65f6\uff0c\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\uff1b
\u7528\u4e8e\u7591\u95ee\u53e5\u9996\uff0c\u5982 When do you begin your classes?
(2)\u4ece\u524d\uff0c\u4ee5\u524d\uff1b\u5f53\u5e74: When you were a child, you didn't know what it means.
(3)\u5728\u2026\u2026\u65f6\u5019\uff1aHis wife always complains when he smoke.
(4)[\u5173\u7cfb\u526f\u8bcd]\u5f7c\u65f6\uff0c\u5176\u65f6:Where when he knows wrong, he doesn't admit.
2\u3001[conj.](\u5e38\u7528\u4e8e\u8fde\u63a5\u4e24\u4ef6\u4e8b)
(1)\u4ec0\u4e48\u65f6\u5019\uff1aHe told us when to eat.
(2)\u5c4a\u65f6\uff0c\u5728\u90a3\u65f6\uff1aHe came at six, when the sun was setting.
(3) \u662f\u2026\u2026\u7684\u65f6\u5019\u4e86\uff1aHe came at a time when we needed help.
(4)\u5f53\u2026\u2026\u65f6\uff0c\u5728\u2026\u2026\u7684\u65f6\u5019\uff1aWhen we are at college.
(5)\u6bcf\u9022\uff0c\u6bcf\u5f53\uff1aShe smiles when you praise her.
(6)\u76f8\u53cd\uff0c\u800c\uff0c\u5374\uff1aTo complain of one's lot when one might change it.(\u672c\u6765\u53ef\u4ee5\u6539\u53d8\u81ea\u5df1\u7684\u547d\u8fd0\uff0c\u5374\u81ea\u6028\u547d\u82e6\u3002)
(7)\u65e2\u7136\uff0c\u9274\u4e8e\uff1aHow can he help when they won't let him.
3\u3001[pron.]
\u4ec0\u4e48\u65f6\u5019(\u5e38\u7528\u4e8e\u5b9a\u8bed\u4ece\u53e5)\uff1aIt was in the morning, when he died.
4\u3001[n.]
\u65f6\u95f4\uff1aWhen in doubt, leave out.
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