air change

  • 换气

air change的用法和样例:

例句

  1. The diver came up for air again.
    潜水员又露出水面换气。
  2. Like modern whales, Basilosaurus was an air breather and could not have stayed underwater for long periods of time.
    和今天的鲸鱼一样,龙王鲸需要换气,不能长时间待在水下。

词汇搭配

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