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undergone

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vbl.undergo的过去分词

难易程度:

undergone为短语/超纲词汇
1. The town has undergone a great change during the last five years.
    那个城市在过去五年中经历了很大变化。

2. Although mankind has undergone no general improvement in intelligence or morality,
    虽然人类有智力和道德上没有得到普遍提高,

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