1.【气】外逸层
1.the outermost region of the atmosphere of Earth or another planet
1.Mercurian atmosphere is thin enough to be described as an exosphere, meaning the constituent atoms never collide.
汞自然的气氛更薄，足以被描述为散逸层，也就是说，没有碰撞原子组成。
2.Ions and high frequency electromagnetic radiation from the sun are responsible for dislodging the atoms in the exosphere.
离子和来自太阳的高频电磁辐射负责松脱的散逸层中的原子。
3.Above the troposphere is the stratosphere, followed by the ionosphere and capped by the exosphere.
在对流层上是平流层，接着是电离层，最上层是外逸层。
4.The presence of the moon's exosphere was confirmed by instruments on the Cassini probe which orbits Saturn and its moons.
围绕土星和它的卫星运行的卡西尼号探测器证实了卫星外逸层的存在。
5.Molecular oxygen ions are then stripped from Dione's exosphere by Saturn's strong magnetosphere.
然后氧分子离子通过土星强大的磁层从土卫四外逸层剥离出来。