gastrulation是什么意思？

gastrulation的音标：gastrulation的英式发音音标为：[ˌgæstrʊ'leɪʃən]gastrulation的美式发音音标为：[ˌgæstrʊ'leɪʃən]...

This pushing - in of cells marks the start of gastrulation.细胞的这种向里推进标志着原肠胚形成的开始.The outer layer of a blastula that gives rise to the ectoderm after gastrulation.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织....

Hynico的音标：...

挡住电灯泡的光线,避免直视的一种装饰性的保护罩.Any of various protective ornamental coverings used to screen a light bulb....

Penalties are correctives of immoral conduct.惩罚是矫正不道德行为的方法.I find, reason and conscience are mutual correctives.我觉得理智和良心是互相补充的....

弗?约斯特:《比较文学导论》,廖鸿均译. 长沙: 湖南文艺出版社, 1988年.Jost, F . Introduction to Comparative Literature . Trans . Liao Hongjun. Changsha: Hunan Art and Literature Press, 1988.在下午3点左右, 一位名为贝吉妲.约斯多蒂尔(BirgittaJonsdottir)的冰岛国会议员走了进来.At aro...

grandstands的音标：...

In amphibole asbestos the constiuent atoms are arranged in chain - like conformation.在闪石类石棉中,组成的原子呈链状排列.Precise design of complete machine, compact conformation, handiness and simplicity.整机设计精致, 结构紧凑, 操作方便简洁.Like light m...

n.（面部等的）特征，轮廓...

His crewmates, Commander Frank Borman and Command Module Pilot Jim Lovell, followed with more verses.他的同事, 指令长法兰克.鲍曼和指令仓飞行员杰姆.罗凡尓接下去念了更多的词句.He quotes a few verses from Tennyson in his paper.他在论文中引用了英国诗人丁尼生的几行诗句.Caroline ...

n.石榴石...

能够测试出亚纳米级生物膜厚度的增加量.Thickness increase of bio - layer of angstrom level can be detected.每次复制元素时,实常数表号的增加量.Increment real constant table number by RINC.每次复制元素时,单元坐标号的增加量.Increment element coordinate system number by CINC....

The method of deducing Pythagorean Triples ( irreducible and reducible ) is explained.并说明了互素勾 股数 组的导出方法....the irreducible complexity of human life.人的生活本就复杂，难以简化to cut staff to an irreducible minimum把职员减少到最低限度Expenditure...

become of的音标：become of的英式发音音标为：[bi'kʌm ɔv]become of的美式发音音标为：[bɪ'kʌm ʌv]...

I've quite forgotten how closed in London can seem.我都快忘了，伦敦有时看上去会多么地闭塞。He became so besotted with her that even his children were forgotten.他被她迷得神魂颠倒，连孩子都抛到了九霄云外。If your next record's a bit iffy, you're fo...

Americas的音标：Americas的英式发音音标为：[ə'merɪkəz]Americas的美式发音音标为：[ə'mɛrɪkəz]...

n.独身生活，独身主义...