| 释义 |
ectoderm [英] [ˈektəʊˌdɜ:m] [美] [ˈektəˌdɜm] [名] 外胚层 词频排名 43074/55435 学习人数 86 难度等级 3/10 认知比例 43.75% 例句 the ectoderm and the endoderm 外胚层和内胚层 "The resulting gastrula consists of an outer ectoderm, an inner endoderm, and a mesoderm layer positioned between them." 最终原肠胚由一个外肠胚,内肠胚,和一个中肠胚构成。 助记 联想 ecto外 derm真皮 endo内
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