我们的主要矿物燃料包括——煤，石油和汽油——他们的组成成分都包括碳，它已经在我们的地球积压了数百万年，我们现在将它使用和燃烧，让它快速的归还到大气中。
Our main fossil fuels — coal, petroleum and gasoline — are made up of carbon that has been compressed in the Earth for millions of years and we're now burning and rapidly restoring to the atmosphere.
“如果确实是这样的话，那么你能够把太阳能的组成部分纳入，然后把它和分馏出来哦氪气混合，然后就可以获得现在大气层中的各项组成成分。”Pepin这样解释道。
"It so happens that if you bring a solar component in and mix it with that fractionated krypton, you get the present atmospheric composition," Pepin explains.
人类对环境的影响如此显著，以至于在过去的几个世纪里，人类已经改变了大气的组成成分，从这一点来看，要想消除人类对环境的影响是不可能的。
And mankind's influence on his environment is now such that he has changed the composition of the atmosphere over the past few centuries, so the effects of humanity can never be completely removed.
尽管甲烷不是海王星大气的主要组成成分，但该行星的蓝色色彩是由甲烷造成的。
While not a major constituent of Neptune's atmosphere, methane is responsible for the planet's blue hue.
其中一些气体，如，氮，氧，氩，氖等，作为空气的永久组成成分，总是以固定的比例存在于大气中。
Some of them, such as nitrogen, oxygen, argon, neon, and so on, may be regarded as permanent atmospheric components that remain in fixed proportions to the total gas volume.
水溶性离子是大气气溶胶中的重要组成成分，其在大气中的直接和间接辐射强迫能够对全球气候变化产生十分重要的影响。
The paper studies on the main physics- chemical properties of water soluble ions in atmospheric particulates and their relations with precipitation in different seasons of Lanzhou.
水溶性离子是大气气溶胶中的重要组成成分，其在大气中的直接和间接辐射强迫能够对全球气候变化产生十分重要的影响。
The paper studies on the main physics- chemical properties of water soluble ions in atmospheric particulates and their relations with precipitation in different seasons of Lanzhou.
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