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单词 coccolith
释义
coc·co·lith (kŏkə-lĭth)
n.
Any of several minute calcite plates that make up the external covering of certain haptophyte phytoplankton and in a fossilized state form chalk and limestone deposits.

[COCC(US) (from its shape) + -LITH.]
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更新时间:2025/1/7 10:52:22