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youdao

He could turn off a light and then jump into his bed before the room got dark.

VOA: special.2009.01.24

Well, if this kinase happens to turn this protein on then you would like to have a mechanism to turn it off as well.

那么在激酶激活蛋白质后,你会希望有一种方法能够使它失活

耶鲁公开课 - 生物医学工程探索课程节选

You can turn it off, and then turn it on.

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It's refreshingly easy to use: just raise the flash head to switch on... then turn off again by lowering when the flash isn't needed.

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It would start, click, and then turn off.

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