双语例句原声例句权威例句
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The origin of multicellular forms of life seems a relatively simple step compared to the origin of life itself.
与生命本身的起源相比，多细胞生命形态的起源似乎是相对简单的一步。
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2-billion-year-old Fossils May Be Earliest Known Multicellular life.
20亿年前的古老化石可能是地球上最早的多细胞生物。
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Some species gather by the thousands to form multicellular bodies that can crawl.
一些种类的黏菌千上万个个体聚集起来，形成可以爬行的多细胞体。
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These released particles can now go on and infect neighboring cells, they can travel in the bloodstream to infect cells at a distance and the virus spreads throughout a multicellular host.
这些释放出的病毒颗粒,可以继续感染邻近的细胞,它们可以随着血流去感染远距离的细胞,于是病毒可以在多细胞宿主体内全面扩散
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