动词
中文翻译：延长
同义词：
['extend', 'extend', 'protract']
例句：
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1. The rain has been prolonging the gardeners' work.
雨水一直在延长园艺工人的工作。
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2. He decided to prolong his vacation by staying in a hotelfor another week.
他决定延长他的假期，在酒店再住一周。
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3. The projectwas protracted due to unforeseen complications.
由于未预见到的复杂情况，该项目被延长了。