| 1. | We ventilate a room by opening windows .
我们开窗以使室内空气流通。 |
| 2. | He noted at once how airy and cheerful was the room .
他马上觉得那间屋子空气流通，真叫人觉得痛快。 |
| 3. | There should be plenty of fresh air inside the shelter
羊圈内还应注意空气流通。 |
| 4. | Avoid crowded places with poor ventilation
避免前往人多挤迫及空气流通不佳的地方 |
| 5. | Keep environment clean and maintain good air ventilation
保持环境清洁及空气流通。 |
| 6. | Climate , city wind and ventilation of buildings
气候城?风与建筑物的空气流通 |
| 7. | Keep windows open to maintain good indoor ventilation
打开窗户，保持室内空气流通； |
| 8. | Allow plenty of fresh air into the indoor environment
保持室内的空气流通。 |
| 9. | 2 . ensure good ventilation inside vehicle vessel compartments
2 .保持车厢船舱空气流通 |
| 10. | Please open a window to allow the air to circulate
打开窗子让空气流通。 |
