troposphere
n.[气]对流层
难易程度:
troposphere为短语/超纲词汇
词形变化:
形容词:tropospheric
troposphere
/'trɒpəsfɪə(r); [US] 'trəʊp-; `tropə,sfɪr/
n [sing] (usu 通常作 the troposphere) layer of the atmosphere that extends about seven miles upwards from the earth's surface 对流层（距地表约七英里）.
n [sing] (usu 通常作 the troposphere) layer of the atmosphere that extends about seven miles upwards from the earth's surface 对流层（距地表约七英里）.
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