You need a change of air.

你需要换换空气。

youdao

The doctor advises a change of air.

医生建议换换空气。

youdao

I needed a change of air.

我需要换一个空气。

youdao

The shape of a snow crystal may change from one form to another as the crystal passes through levels of air with different temperatures.

VOA: special.2010.01.05

While we all know that this is simply not possible (even no-makeup makeup takes work), there is a whiff of change in the air.

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The consequent condensation of the water vapour it is carrying heats the air further (the change of state from gas to liquid sheds latent heat), causing it to continue rising.

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"There's definitely an air of change, " he said.

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