| 21. | Air is a mixture, not a compound, of gases. |
| 空气是多种气体的混合物,不是化合物。
|
| 22. | Air leaked out of the balloon. |
| 空气自气球中逸出。
|
| 23. | You've let all the air out of the tyres. |
| 你让车胎的气都跑光了。
|
| 24. | Windows let in light and air . |
| 窗户可透光及通风。
|
| 25. | Air is a fluid but not a liquid, while water is both a fluid and a liquid. |
| 空气是流体不是液体,水是流体也是液体。
|
| 26. | The pilot had logged over 200 hours in the air . |
| 这个飞行员的飞行记录在200小时以上。
|
| 27. | He expects a good salary, a company car, first-class air travel -- the lot. |
| 他想要可观的薪水, 公司的汽车, 头等的机票-一应俱全。
|
| 28. | Her presence imparted an air of elegance (to the ceremony). |
| 她一出席(给仪式)增添了高雅的气氛。
|
| 29. | A whole tank regiment was completely immobilized by enemy air attacks. |
| 敌军的空袭将整个坦克团完全钳制住了。
|
| 30. | Air , food and water are indispensable to life. |
| 空气, 食物, 水皆为生命不可或缺者。
|