The earth's atmosphere is an invisible gaseous envelope.
地球的大气是一个看不见的气体包围圈。
Such a big planet with a rocky core and a fluffy gaseous envelope probably can't support life as we know it.
如此大的一颗行星，有岩石地核以及蓬松的气体层包覆，可能不会维持我们所知的生命。
The gaseous mass or envelope surrounding a celestial body, especially the one surrounding Earth, and retained by the celestial body's gravitational field .
大气层指环绕天体的气团或气层，尤指环绕地球的气团，被天体重力场所束缚。
The gaseous mass or envelope surrounding a celestial body, especially the one surrounding Earth, and retained by the celestial body's gravitational field .
大气层指环绕天体的气团或气层，尤指环绕地球的气团，被天体重力场所束缚。
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