He had materialized out of thin air; I had not seen or heard him coming.

他突然神秘地出现了；我既没看到也没听到他进来。

《柯林斯英汉双解大词典》

You should spend more time out of doors in the fresh air.

你应多花点时间在户外呼吸新鲜空气。

《牛津词典》

No American should have to drive out of town to breathe clean air.

任何美国人都不应非得开车出城去呼吸清洁的空气。

《柯林斯英汉双解大词典》

I knew the sky was black because all the heat, which meant light to me, had died out of the air.

VOA: special.2009.11.15

Things are not "made up" in Frost, "not made up" in the sense of imagined, called up out of thin air, like fairies and elves.

弗罗斯特的诗歌里没有编造，没有想象，像仙女和精灵那样的凭空想象。

耶鲁公开课 - 现代诗歌课程节选

So, in a sense, it says, you know, if you wanted to build a boat that took energy out of the warmth of the air to sail around the world, you can do that.

因此，某种意义上说，它宣称如果你想要造一艘船,通过从空气中获取热量,这是可以做到的。

麻省理工公开课 - 热力学与动力学课程节选

But somewhere along the way the planet ran out of air.

NEWYORKER: The Martian Chroniclers

The Ministry of Defence made coherent and organised assessments and would not send troops on "the basis of plucking numbers" out of air, Mr Miliband added.

BBC: Miliband denies UK troops claim

The PLA Air Force could absorb everything the U.S. could throw against it and still have additional combat assets available when the U.S. runs out of air-to-air munitions.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 3