单词	mesosphere
释义	mesosphere /ˈmɛsə(ʊ)sfɪə / /ˈmɛzə(ʊ)sfɪə/ /ˈmiːsə(ʊ)sfɪə/ /ˈmiːzə(ʊ)sfɪə/ noun The region of the earth’s atmosphere above the stratosphere and below the thermosphere, between about 50 and 80 km in altitude.If the layers are characterized by the rate at which temperature changes with height, then the atmosphere is split into four layers: the troposphere, stratosphere, mesosphere, and thermosphere.... Nacreous and Noctilucent clouds form not in the part of the atmosphere in which we live, but much higher up, in the stratosphere and mesosphere. They will also be able to find out more about the complex waves, tides and other mechanisms that link this region - known as the mesosphere - to the lower regions of the atmosphere.
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