1. There will be an opera on the air this evening.
    今天晚上要广播一出歌剧。

2. The archers sent their shafts through the air.
    弓箭手把箭射了出去。

3. The air ten miles above the earth is very tenuous.
    地面上十英里处的气体是非常稀薄的。

4. There´s thunder in the air.
    好像要打雷了.

5. The foul air is unfit to breathe.
    肮脏的空气不适宜呼吸。

6. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
    这样就可以解决通风问题，因为如果一列火车开进隧道，它后面就会带进新鲜空气。

7. The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
    沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。

8. They have an air of freedom, and they have not a dreary commitment to mean ambitions or love of comfort.
    他们无拘无束。既不追逐卑鄙的名利，也不贪图生活的舒适。

9. This increases their air-resistance and reduces the shock of impact when they hit the ground.
    这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。

10. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
    这样就解决了通风问题。因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。