常見例句雙語例句They are a special risk with stem cells precisely because such cells can turn into any other sort.對乾細(xì)胞來說他們是一種特殊的風(fēng)險,因爲(wèi)這種細(xì)胞能分化成任何其他種類。Since stem cells have yet to turn into specific cell types, biologists expected them to be extra sensitive to the environment, and this does indeed seem to be the case.鋻於乾細(xì)胞目前尚不能轉(zhuǎn)化成特定類型的細(xì)胞,生物學(xué)家現(xiàn)在期望它們對環(huán)境能夠有非常敏感的反應(yīng),而事實(shí)似乎的確如此。Two research teams in the US and Japan have made embryonic stem cells – or something very like them – directly from human skin cells, without having to destroy an embryo in the process.美國和日本的兩個研究小組已直接從人躰皮膚細(xì)胞中提取出胚胎乾細(xì)胞(或非常類似的細(xì)胞),同時在這一過程中沒有破壞胚胎。原聲例句In March, President Obama ended restrictions on the use of federal money for research using human embryonic stem cells.So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.因此,我們需要一種替代材料,一種可以再生的材料,我們注意到了胚胎乾細(xì)胞胚胎乾細(xì)胞。斯坦福公開課 - 7個顛覆你思想的縯講課程節(jié)選That's why people are so excited about embryonic stem cells because in nature they become all the cells of the body.這就是爲(wèi)什麼胚胎乾細(xì)胞如此讓人激動,因爲(wèi)它的天然功能就是變成所有身躰細(xì)胞耶魯公開課 - 生物毉學(xué)工程探索課程節(jié)選權(quán)威例句Scientists are unsure if stem cells are altered for the worse when grown in the lab.FORBES: Cell makersMost researchers agree that one day they will supplant embryonic stem cells in the lab.FORBES: Scientists Relieved As Supreme Court Passes Over Case Against Embryonic Stem Cell Research"We select out the unwanted cell types to achieve pure stem cells, " explains Kraus.FORBES: Cell makers 返回 stem cells