名词中文翻译
中文翻译：内囊
同义词：
['intrauterine sac', 'intraembryonic sac']
例句：
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1.The embryonic development of the fetus is closely related to the internal yolk sac.
胎儿的胚胎发育与内囊密切相关。
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2. During the early stages of pregnancy, the internal yolk sac provides nourishment for the developing embryo.
在怀孕的早期阶段，内囊为发育中的胚胎提供营养。
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3. The study of the internal yolk sac has important implications for understanding the development of the human embryo.
对内囊的研究对于理解人类胚胎的发展具有重要意义。