名词
中文翻译：胚囊
同义词：
['embryonic vesicle']
例句：
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1.The embryonic vesicle is the first stage of a developing embryo.
胚囊是发育中的胚胎的第一个阶段。
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2.The study of embryonic vesicles has led to new insights into early development.
对胚囊的研究为早期发展提供了新的见解。
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3. The researchers found that the embryonic vesicles were different from those in other species.
研究人员发现，胚囊与其它物种的胚囊不同。