I saw Tom put his key in the lock, turn it and open the door.

我看见汤姆把钥匙插进锁里，转动钥匙，打开了门。

youdao

He lost his key an hour ago.

他一个小时以前把钥匙丢了。

youdao

He searched the room for his key.

为了找他的钥匙，他找遍了整个房间。

youdao

Bruno Kanieski da Silva told about a time he looked everywhere for his key.

VOA: special.2010.09.09

This is a key to his character; these two episodes are the two that we're given of Moses' life.

这也是他性格的一大特点;,这是我们所看到描写摩西生平的两个片段。

耶鲁公开课 - 旧约导论课程节选

And the key to his strength,besides the church,are the nobles.

而除了教会,他的力量关键要靠贵族

耶鲁公开课 - 1871年后的法国课程节选

This time his key contributions included helping understand how to make the materials better conductors.

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Gates returned home to find his key wouldn't work because his lock was jammed.

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However, his key provisions--extending rebates for those who receive Social Security and disabled vets--remained intact.

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