(eukaryote 的复数) n. 〈生〉真核细胞
plural of eukaryote
n. an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells

The Time Before Fire What is fire anyway? Well, fire is rapid oxidization . Its the energy released when oxygen atoms start combining with carbon and hydrogen atoms. Exactly, so without oxygen in the air, nothing burns. You mean there was a time befo

发表于:2019-01-26 / 阅读(390) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-02-17 / 阅读(443) / 评论(0) 分类 万物简史
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