单词:calyciform cell
单词:calyciform cell 相关文章
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Compared with the new eukaryotes the old prokaryotes were little more than bags of chemicals, in the words of the geologist Stephen Drury. 地球已经朝着真正有意思的行星迈出了第一步。与新的真核细胞相比,旧的原核细胞借