/ˈmesəsfɪə(r);ˈmez-||; ˈmɛsoˌsfɪr/noun [sing]
the mesosphere the region of the earth's atmosphere between about 50 and 80 kilometres above the surface of the earth, above the
STRATOSPHERE and below the
THERMOSPHERE 中间层,中气层(地球大气层的区域,离地面50至80公里,介于平流层和热层之间)