the stratosphere
noun[S]
environmentspecializeduk/ˈstræt.ə.sfɪər/us/ˈstræt̬.ə.sfɪr/thelayerofgasessurroundingtheearthat aheightof between 15 and 50kilometresthat is notaffectedby theweatherand in which thetemperatureincreaseswithheight
平流层，同温层
During the 1980s, theamountofozonein the stratosphere aboveEuropedecreasedby about eightpercent.20世纪80年代，欧洲上空平流层的臭氧含量降低了大约8%。
Compare
the exosphere
the ionospherespecialized
the mesosphere
the thermosphere
the troposphere
Idiom
go into the stratosphere