词汇“germ layer”用英语造句的方法、技巧、例句及翻译-英语例句辞典

单词	germ layer
例句	DEFINITIVE EXAMPLES 权威例句〔blastoderm〕The layer of cells formed by the cleavage of a fertilized mammalian egg. It later divides into the three germ layers from which the embryo develops.胚盘：由哺乳动物受精卵分裂而形成的细胞层。后期分裂为三层，胚胎由此发育美国传统〔diploblastic〕Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of lower invertebrates, such as sponges and coelenterates.双胚层的：具有两个胚层（外胚层和内胚层）的。用于低等无脊椎动物，如寄生虫和腔肠动物美国传统〔ectoderm〕The outermost of the three primary germ layers of an embryo, from which the epidermis, nervous tissue, and, in vertebrates, sense organs develop.外胚层：胚胎最初三层胚层中的最外一层，由此发育成为表皮、神经组织和脊椎动物的感觉器官美国传统〔triploblastic〕Having three germ layers. Used of the vertebrate embryo.三重胚的：具有三层原胚层的。用于脊椎动物的胚胎美国传统
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