I had to step outside for a breath of fresh air.

我得到外面去透口气。

《柯林斯英汉双解大词典》

Seven months and one election day later, a new conservative city council suspended enforcement of the clean air zone, a first step toward its possible demise.

七个月后大选日结束的第一天，由保守派掌控的新一届市议会中止了“清洁空气区”的执行，迈出了废除该项措施的第一步。

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They stepped on the first step and vanished into thin air.

他们一踩到第一级台阶，就迅速消失在了稀薄的空气之中。

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While doing his famous "Moonwalk" step, he seemed to be walking backwards on air.

VOA: special.2009.07.05

If we could go one step further and reduce air pollution in affected communities by cutting emissions from cars, trucks and dirty industries, the impact would be even greater.

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"We must move away from this blanket closure and find ways to flexibly open air space, step by step, " IATA head Giovanni Bisignani told a news briefing in Paris.

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But he says Air is an extra step.

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