| 释义 |
〔exosphere〕The outermost layer of Earth's atmosphere, lying above the thermosphere and extending thousands of kilometers into space, from which molecules having sufficient velocity can escape Earth's gravitation.外逸层：地球大气层的最外圈，位于热层之上，并向太空延展几千公里，在那里分子具有足够的速度可以逃出地球的吸引力 |