一,while引導(dǎo)時間狀語從句,從句中的謂語動詞應(yīng)用延續(xù)性動詞或表示狀態(tài)的詞.
eg.While the discussion was still going on,George came in.
當討論還在進行時,喬治走了進來.
Strike while the iron is hot.
趁熱打鐵.
二、引導(dǎo)讓步狀語從句,多用于句首.意為“盡管,雖然”.
eg.While I admit his good points I can see his bad.
盡管我承認他的長處,但我也看到了他的不足.
While he loves his students,he is very strict with them.
雖然他愛他的學(xué)生,可是他對他們很嚴格.
這就是最主要的區(qū)別,另外,while還常常作并列連詞用,意思為“而,然而”,表前后意義上的對比或轉(zhuǎn)折.
eg.There’s plenty of rain in the southeast,while there's little in the northeast.
東南部雨量充足,而西北部則很少下雨.
Some people waste food while others haven't enough.
有些人浪費糧食,然而有些人卻吃不飽.
有什么疑問還可以問我.
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