... atmospheric aerosol 大气气溶胶 atmospheric aerosols 大气烟雾 atmospheric agency 大气能因 ...
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某种大气烟雾可能确实遮蔽了太阳光使得地球变得寒冷而恐龙适应不了——但这种烟雾不一定必须来自一颗小行星。
Some kind of atmospheric haze might indeed have blocked the sun, making the planet too cold for the dinosaurs — it just didn't have to have come from an asteroid.
与高层大气臭氧层不同的是，地面的臭氧是光化学烟雾的一个主要组成部分。
Ozone at ground level - not to be confused with the ozone layer in the upper atmosphere - is one of the major constituents of photochemical smog.
美国国家海洋和大气管理局(NOAA)的哈拉尔·斯塔克(Harald Stark)说，烟雾是由一些令人讨厌的分子构成的，某些化学物质能够破坏这些分子的结构，而灯光干扰了它们的作用。
It interferes, says Harald Stark of American's National Oceanic and Atmospheric Administration (NOAA), with the chemicals that mop up nasty molecules that are the raw materials of smog.
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