Evolution can explain why human embryos look like gilled fishes.
进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.
辞典例句
A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.
不定胚与合子胚之间不能划分出明显的界限.
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Most grass embryos have a flap - like structure known as the epiblast.
大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.
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The scientist has made a pointed comparison between suspensors of plant embryos and mammalian trophoblasts.
这位科学家把植物胚的胚柄与哺乳动物的滋养层做了直接的比较.
辞典例句
There are two methods of collecting cow embryos -- directly through the birth canal, or surgically.
收集母牛胚胎的方法有两种, 一种是直接通过产道, 另一种是施用外科手术.
辞典例句
The cells of the integument and nucellus of some plants form perfectly normal embryos.
某些植物的珠被和珠心细胞形成完全正常的胚.
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Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.
早期分裂时期的胚可以利用胚柄, 宿存和退化中的助细胞所提供的代谢物.
辞典例句
The corn snake embryos develop inside the protective , leathery shell.
粟米蛇的胚胎在坚韧的保护壳里发育.
电影对白
Fruits and embryos were obtained by self - pollination of Avignon and Lilium brownii.
俄维农自交和野百合自交可以获得自交果实和自交胚.
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What somatic - cell nuclear transfer technology produces are cloned human embryos.
肉体细胞核心移植技术生产的是克隆人的胚胎.
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Objective: to establish a method of producing polyploid mouse embryos.
目的: 探索制作小鼠多倍体胚胎的方法.
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Embryology The study of the development of embryos, usually from fertilization.
胚胎学:是研究胚胎发育的学科, 通常从受精开始.
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That might do away with the need for embryos.
这可能避免需要胚胎这一缓解.
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All of the examined scc - 3 RNAi embryos displayed abnormal mitosis.
所有检测的 scc -3RNA干扰胚胎都表现出异常的有丝分裂.
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Embryos that fit the bill are then implanted in the mother's womb.
那些符合条件的晶胚于是就被植入母亲的子宫.
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