你记明白了，美空航2771 ？
US Air Force warns Facebook 'may reveal location'.
美国空军警告FacebooK“可能暴露位置”。
A mechanic inspects a Reaper at a US air force base in Nevada.
一名机械师在美国内华达空军基地检查“收割机”无人机。
The US Air Force and NASA have expressed interest in it, according to Roy.
罗伊称，美国空军及国家航空航天局均对此表示了兴趣。
In 1952, the US Air Force began Project Blue Book, a study program on UFOs.
1952年，美国空军开始着手实施“蓝皮书计划”，这是一项针对不明飞行物的研究项目。
In 1952, the US Air Force began Project Blue Book, a study program on UFOs.
1952年，美国空军开始着手实施施“蓝皮书计划”，这是一项针对不明飞行物的研究项目。
A blast of hot air hit us as we stepped off the plane.
我们下飞机时，一股热浪向我们袭来。
Even if polluted air does not kill us, it can make us very sick.
即使污染的空气不会杀死我们，它也会使我们生重病。
The US delivered an early riposte to the air attack.
美国对空袭很快作出了反应。
Both fresh air and clean food are indispensable to us.
新鲜空气和干净的食物两者对我们是不可缺少的。
But AIR is a 1.0 product and the cross platform aspect is important to us.
但AIR只是个1.0的产品，而且跨平台方面对我们非常重要。
Instead, let us come out into the light of day. Let us enjoy the fresh air of liberty and union.
取而代之，让我们迎接阳光，让我们尽情地享受自由和团结的清新空气。
You know, it really cleared the air for both of us.
知道吗，这真的使我们之间的误会烟消云散了。
Most of us don't get enough sunshine and fresh air.
大部分人没有得到足够的阳光和新鲜空气。
For most of the country, the crisp cool air of autumn is upon us.
在很多国家，凉风习习的秋天已经来到了我们身边。
Let us sully the air for the oppressor.
那就让我们污染暴君的空气。
All: air! Lots of air all around us.
所有：空气！在我们周围大量的空气。
"Let us visit them," said the inspector with an air of fatigue.
“我们去看看，”巡察查员带着疲乏的神色说。
The rotors fought to keep us in the air.
螺旋桨的叶片在奋力地旋转以便让我们停留在空中。
I love earth, she gives us water, sunshine and air.
我爱地球，她为我们带给了水、阳光和空气。
Though we cannot see it, there is air all around US.
虽然我们看不见空气，但我们的周围处处都是空气。
Some natural resources are around us, such as water and air.
一些自然资源在我们周围，例如水和空气。
Some natural resources are around us, such as water and air.
一些自然资源在我们周围，例如水和空气。
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