As a preventative measure, we are told to let in fresh air by opening the windows and not to use the air conditioners.

作为一项预防措施，我们被告知要打开窗户让新鲜空气进来，而不要使用空调。

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Open the window to let in fresh air.

打开窗户，让新鲜空气透进来。

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The windows were quickly opened, to let in a little fresh air.

窗户很快打开了，好让一点新鲜空气进入。

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Bobby V was going to open a window, and let the fresh air rush right in.

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Grit can get trapped in the mushrooms' nooks and crannies, so give them a swish in a bowl of cold water, then repeat with fresh water until the water runs clean and let them air dry in a single layer on kitchen towels.

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