详细解释:n. 外大气圈
词型变化:
形容词:exospheric英语解释:
名词 exosphere:
the outermost atmospheric layer详细解释:
ex.o.sphere
n.(名词)The outermost region of a planet`s atmosphere.外大气圈:行星大气层的最外部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
【引伸】
ex.ospher.ic