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以上来源于: WordNet
N any of the three layers of cells formed during gastrulation 胚层 [embryol] →see ectoderm, mesoderm, endoderm
embryonic layer , germinal layer
Add sodium chloride injection to the germ layer medium.
菌层培养基加氯化钠注射液。
youdao
Methods: Add sodium chloride injection to the germ layer medium.
方法：菌层培养基加氯化钠注射液。
This suggests germ layer boundaries are less absolute than previously thought.
这表明胚层之间的界限并不是我们胰腺想想的那样严格。
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