名词
中文翻译：Unknown
同义词：
['endoderm', 'mesoderm', 'endoderm例句：1. The endoderm is the innermost layer of the embryonic tissue.（内胚层是胚胎组织的最内层。）']
例句：
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1. The endoderm is the innermost layer of the embryonic tissue.
内胚层是胚胎组织的最内层。
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2.The endoderm is responsible for producing the digestive system.
内胚层负责产生消化系统。
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3. The endoderm is also involved in the development of the nervous system.
内胚层也参与神经系统的发展。