| 1. | Open the window and let in some fresh air . 打开窗户放进些新鲜空气。 |
| 2. | She sighed for the air in the countryside . 她思慕乡下那清幽的空气。 |
| 3. | The air flow was regarded as quasi-laminar . 空气流动被视为准层流。 |
| 4. | The foggy air was full of chill menace . 空气里弥漫着浓雾,寒意侵人。 |
| 5. | Sound travels through the medium of air . 声音通过空气介质传播。 |
| 6. | The sea air does wonders for him . 海上的空气对他来说是一剂灵丹妙药。 |
| 7. | The air is passed through sprays of liquid . 空气通过液体喷淋装置。 |
| 8. | We ventilate a room by opening windows . 我们开窗以使室内空气流通。 |
| 9. | The air was warm and swooning about my face . 暖烘烘的空气飘拂在脸面。 |
| 10. | Air pollution control will be expensive . 控制空气污染是要费钱的。 |