名词
中文翻译：Unknown
同义词：
['embryo', 'embryonic tissue', 'embryonic epithelium']
例句：
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1. Theembryonic cells are still developing and willeventually form the body.
胚胎细胞仍在发育，最终将形成身体。
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2. Theembryonic development of thefetus is crucial for itssurvival.
胎儿的胚胎发育对其生存至关重要。
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3. The embryonic stage is a criticalperiod for the growth and development of thefetus.
胚胎阶段是胎儿生长和发育的关键时期。