This suggests processes that both supply and remove methane from the atmosphere in certain places.

VOA: special.2009.12.30

When it breaks this bond, that chlorine atom, a free chlorine atom comes down and reacts, this is ozone, with the ozone in the upper atmosphere.

当它打破这个化学键，氯原子，一个自由的氯原子下来,和在大气层的上方的臭氧反应，这就是臭氧，在大气上层有臭氧。

麻省理工公开课 - 固态化学导论课程节选

with being in New York, but also having this campus atmosphere

既在纽约生活，又拥有校园氛围，

纽约大学 - SpeakingMax英语口语达人

This week,we will tell about an agreement to limit temperatures in Earth's atmosphere.

VOA: special.2010.01.19

If you get some of these in the upper atmosphere, a photon, an ultraviolet photon, has the energy capable of breaking this bond.

如果你把它放到大气层上，一个光子，一个紫外光光子，有能量可以破坏它的化学键。

麻省理工公开课 - 固态化学导论课程节选

Usually,this requires near freezing temperatures, light winds and changing conditions in Earth's atmosphere.

VOA: special.2010.01.05

Just a couple of months ago London seemed to be soaring and now suddenly there's this pessimistic atmosphere because we don't know what's going to happen in London.

仅仅数月之前,伦敦房价还一路高歌,忽然之间市场一片愁云惨淡,我们不知道伦敦的未来状况

耶鲁公开课 - 金融市场课程节选

Usually,this requires near-freezing temperatures, light winds and changing conditions in Earth's atmosphere.

VOA: special.2011.01.11

Jarraud says an analysis of this data enables scientists to better forecast the distribution of potentially harmful pollutants in the atmosphere.

VOA: standard.2009.03.23