| 1. | Liquid fire also burn only when the surface of the liquid is in contact with the air .
液体燃料也只有在其表面接触空气时才会燃烧。 |
| 2. | The relic , when exposed to air , turned to dust
这件文物，接触空气之后，变成了粉末。 |
| 3. | The relic , when exposed to air , turned to dust
这件文物，接触空气之后，变成了粉末。 |
| 4. | Blood coagulates when it meets air
血液接触空气就会凝结。 |
| 5. | What can you do to reduce your exposure to ambient air pollutants
可如常活动你可以减少接触空气污染物 |
| 6. | Those who exercise outdoor also increase their exposure to air pollutants
需要经常在户外工作或活动的人，接触空气污染物的机会增加。 |
| 7. | Those who exercise outdoor also increase their exposure to air pollutants
需要经常在户外工作或活动的人，接触空气污染物的机会增加。 |
| 8. | Yes , but ensure that the caps are closed tightly to prevent air contact . store in a cool place and finish using them within six months
可以。只是接触空气会使产品失效，必须将瓶盖拧紧，保存于阴暗地方，并尽量在6个月之内用完。 |
| 9. | Timely release of the api and advice to the public before the onset of air pollution incidents can help minimize exposure to air pollutants
空气污染指数的预测可以在严重的空气污染情况出现之前提醒市民，以减低接触空气污染物的机会。 |
| 10. | Long - term exposure to fine particulate air pollution is associated with the incidence of cardioascular disease ( cd ) and death among postmenopausal women , us study findings reeal
美国的研究结果显示，长期接触空气微粒污染与绝经后女性心血管疾病( cd )和死亡有关。 |
