Air will completely fill any container (which) it may be placed in.

空气将完全填满可以在其内放入空气的任何容器。

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Gas will fill any container in which it is placed.

气体无论装进哪个容器，都会把它装满。

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Gas will fill any container in which it is placed.

气体无论装进哪个容器，都会把它装满。

youdao