单词 | exosphere |
释义 | exospheren. 外大气圈 exosphere ex.o.sphere AHD: [µk“s½-sfîr”] D.J. [6eks*&7sf!*]K.K. [6Wkso7sf!r]n.(名词)1. The outermost region of a planet's atmosphere.外大气圈:行星大气层的最外部2. 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继承用法:ex”ospher“ic AHD: [-sfîr“¹k, -sfµr“-] (形容词) |
随便看 |
|
英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。