英语词汇“troposphere”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	troposphere
释义	WordReference Random House Learner's Dictionary of American English © 2024 trop•o•sphere /ˈtrɑpəˌsfɪr, ˈtroʊpə-/USA pronunciation n. [countable* usually singular] Meteorologythe lowest layer of the atmosphere, varying in height from 6 to 12 mi. (10 to 20 km), within which clouds and weather occur. WordReference Random House Unabridged Dictionary of American English © 2024 trop•o•sphere (trop′ə sfēr′, trō′pə-),USA pronunciation n. [Meteorol.] Meteorologythe lowest layer of the atmosphere, 6 mi. (10 km) high in some areas and as much as 12 mi. (20 km) high in others, within which there is a steady drop in temperature with increasing altitude and within which nearly all cloud formations occur and weather conditions manifest themselves. 1905–10; tropo- + sphere trop•o•spher•ic (trop′ə sfer′ik, -sfēr′-, trō′pə-),USA pronunciation adj. Collins Concise English Dictionary © HarperCollins Publishers:: troposphere /ˈtrɒpəˌsfɪə/ n the lowest atmospheric layer, about 18 kilometres (11 miles) thick at the equator to about 6 km (4 miles) at the Poles, in which air temperature decreases normally with height at about 6.5°C per km tropospheric /ˌtrɒpəˈsfɛrɪk/ adj
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