单词 | biosphere |
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音标 | 英[ˈbaɪəʊsfɪə(r)] 美[ˈbaɪoʊsfɪr] |
解释 | n.生物圈;生物界;生物层; |
例句 | N-SING 生物圈 The biosphere is the part of the earth's surface and atmosphere where there are living things. |
变形 |
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