名词
中文翻译：胚胎
同义词：
['foetus', 'embryo', 'zygote']
例句：
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1.The scientists are studying the development of human embryos in the lab.
科学家们正在实验室研究人类胚胎的发展。
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2. The doctor explained the process of fertilization and implantation to the pregnant woman.
医生向孕妇解释了受精和植入的过程。
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3. The researchers found that the early stages of embryonic development are crucial for survival.
研究人员发现，胚胎发育的早期阶段对生存至关重要。