1. If the "bad air" of swamps should be responsible, experiments would give the answer.
    如果沼泽湿地的“坏空气”有责任的话，那么实验会给出答案。

2. It was all wrong. The sun was shining but the air was cold. It was the middle of January, after all.
    可我又觉得什么都不对劲。虽然阳光灿烂，但是空气却是冰冷的。毕竟这还是一月中旬啊。

3. It might disappear into the air quickly -- by becoming vapor, or gas.
    也许会很快地变成蒸汽或水汽消失到空气中；

4. It is in the air that people breathe.
    人们呼吸的空气中有水。

5. I climbed the ladder, heard my dive announced, and commenced the moves that would thrust me into the air.
    我登上梯子，听到起跳的指令，便开始做跃入空中的动作。

6. I become faster and neater each day. I'm outdoors in clean air. And, contrary to what people think, I don't get dirty on the job.
    我越干越快，越干越利索。在室外干活还可以呼吸新鲜空气。而且完全不像人们认为的那样，我干的活儿其实很干净。

7. In 1871, American inventor Ives McGaffey realized that if you turned an air pump (气泵) the opposite way, you would have a machine that could pick up dirt.
    1871年，美国发明家艾夫斯·麦加菲意识到,如果将气泵的转动反个向,它就会变成一台能吸起灰尘的机器。

8. I found myself suspended in the middle of the air — held up by a 130-kilometer-an-hour blast of wind coming from an industrial-strength fan in the bottom of the tower.
    我发现自己悬在了空中--高塔底部一架工业用强力风扇吹出时速达130公里的风柱将我拖起。

9. Fresh air smells so wonderful. And it´s so quiet up here- - so peaceful and serene.
    新鲜的空气闻起来这么棒。这上面又这么安静止－－如此地平静安宁。

10. Frequent computer analyses could tell whether workers, like air traffic controllers, are seeing all activity clearly enough to monitor it properly.
    采用频繁的电脑分析，能够了解到工作人员，如飞行调度员，是否对工作全局一目了然，从而做好各自的工作。