单词：primitive wandering cells
单词：primitive wandering cells 相关文章
Day and night existed long before the first primitive cells coming into being. And that light/dark cycle left its mark on nearly every living thing, microbes, plants, insects, mammals---we all experience circadian rhythms, due to molecular clocks in
Scientific American(四)月
RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A
2017年NPR美国国家公共电台3月
因为有了高科技，我们的工作方式正在发生变化。不少人在家做telecommuter（远程上班族），有的公司实行hot desking（办公桌轮用制），都是怎么高效怎么来。随之而来的，不少公司的管理风格也
英语口译
[美文欣赏] Between the preparation and the work,the apprenticeship and the actual dealing with a task or an art,there comes, in the experience of many young men,a period of uncertainty and wandering which is often misunderstood and counted as tim
英语美文
I SET apart a day for wandering; I heard the woodlands ring, The hidden white-throat sing, And the harmonic West, Beyond a far hill-crest, Touch its Aeolian string. Remote from all the brawl and bruit of men, The iron tongue of Trade, I followed the
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And what I would hope that I could further argue to you is that this is the invention of multicellularity. 我希望能进一步地说服你们的是，这就是多细胞生物的起源。 Bacteria have been on the Earth for billions of years; humans
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