单词 | stratosphere |
释义 | strat·o·sphere (strătə-sfîr′) n. 1. The region of the atmosphere above the troposphere and below the mesosphere. 2. An extremely high or the highest point or degree on a ranked scale: business expenses in the stratosphere. [French stratosphère : Latin strātus, a spreading out; see STRATUS + -sphère, sphere (from Old French espere; see SPHERE).] |
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