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- At fourteen days an embryo's cells begin to split and form three embryonic layers, nervous tissue at this time has yet to appear, so it's impossible as researcher Pei has said for there to be any nervous system response. 一、4天的胚胎的细胞刚刚开始分化形成三个胚层,神经组织此时还没有出现,是不可能像裴研究员所说有什么神经系统的反应的。
- The scheme is still in its embryonic stage. 她脱颖而出成为著名艺术家。
- An embryonic nation, not yet self-governing. 一个早期的国家,还没有自治
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Following the embryonic stage of development. 胚胎后期的在胚胎发育期之后的
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- A layer, as of doubled-over cloth or of paperboard. 一层一层,如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- An embryonic cell from which a nerve cell develops. 成神经细胞发育成神经细胞的胚胎细胞
- It is still in an embryonic stage. 它还处于萌芽阶段。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物,如鱼鳞
- The plan, as yet, only exists in embryonic form. 这个计划迄今为止还只是在酝酿之中。
- Its embryonic form already appeared. 就已经出现了它的雏形。
- Followingthe embryonic stage of development. 胚胎后期的在胚胎发育期之后的。
- Researchers cherish lines of embryonic stem cells. 研究人员珍视这些胚胎干细胞系。