名词短语
中文翻译：几个世代
同义词：
['several generations', 'several generations']
例句：
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1. Thecompany has been in the business for several generations.
这家公司已经经营了好几代了。
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2.The old house has survived several generations of renovations.
这座老房子已经经历了好几代的翻修。
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3.The family has several generations of descendants.
这个家族有好几代的后裔。