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单词 the troposphere
释义

the troposphere

noun
/ðə ˈtrɒpəsfɪə(r)/
/ðə ˈtrəʊpəsfɪr/, /ðə ˈtrɑːpəsfɪr/
[singular] (specialist)
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  1. the lowest layer of the earth’s atmosphere, between the surface of the earth and about 6–10 kilometres above the surfaceTopics Spacec2
    Word Originearly 20th cent.: from Greek tropos ‘turning’ + sphere.
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更新时间:2024/12/23 17:17:57