The light switch came away from the wall.

电灯开关从墙上掉了下来。

youdao

My husband decided to install a light switch in our master bedroom. Cutting into the wall, he discovered a stash of bottles and boxes.

老公要在我们的主浴室里装一个电灯开关，在墙上凿了个洞之后，他发现了一堆隐藏的瓶瓶鑵鑵。

youdao

So, very crudely, the thing on the wall is the switch DNA, your finger is the regulator, and gene expression is the light turning on or turning off.

因此，大体上可以这么形容，在墙上的东西就是开关DNA，手指是调控器，基因表达就是打开灯或关闭灯。

youdao

Both decisions reinforce trends that have been changing Wall Street in recent years: the switch from physical to electronic markets and the dispersal of operations away from lower Manhattan into the suburban areas of the greater New York metropolis and beyond.

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He says the reason pensions are underfunded is Wall Street convinced pensions to make a historic switch from bonds to stocks.

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Wall Street worries that ever more copper-wire customers will quit and switch to cellular, with its expensive transmission towers and subsidized handsets.

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