名词
中文翻译：延长
同义词：
['extension', 'extension of time', 'duration例句：1. The project will take an extra month to complete due to the prolonged construction period.（由于建设周期延长，该项目将额外花费一个月时间完成。）']
例句：
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1. The project will take an extra month to complete due to the prolonged construction period.
由于建设周期延长，该项目将额外花费一个月时间完成。
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2.The scientist has made significant progress in prolonging the lifespan of the organisms.
科学家在延长生物寿命方面取得了显著进展。
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3.The company is considering a longer warranty period for its products to prolong their lifespan.
该公司正在考虑为其产品提供更长的保修期，以延长其使用寿命。