她决定把假期再延长一周。

She decided to lengthen her vacation by one more week.

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She decided to lengthen her vacation by one more week.

lengthen 是由形容词 long(长的)加上后缀 -en 构成的动词,-en 后缀表示"使变得...",所以 lengthen 的意思是"使变长、延长"。

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