the stratosphere
noun [ S ] environment specialized uk/ˈstræt.ə.sfɪər/ us/ˈstræt̬.ə.sfɪr/
平流层，同温层
the layer of gases surrounding the earth at a height of between 15 and 50 kilometres that is not affected by the weather and in which the temperature increases with height
During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about eight percent. 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 exospherethe ionosphere the mesospherethe thermospherethe troposphere
Idiom
go into the stratosphereidiom informal 上升到极高的水平
to go up to an extremely high level
Property prices have gone into the stratosphere. 房地产价格飞涨。