Above the troposphere is the stratosphere, followed by the ionosphere and capped by the exosphere.
在對流層上是平流層, 接著是電離層,最上層是外逸層.
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Last is the exosphere, which is outermost layer of the atmosphere.
最后是散逸層, 這是大氣的最外層.
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This region is called exosphere.
這層大氣稱為外逸層.
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