名词
中文翻译：绒毛膜
同义词：
['chorion', 'chorionic membrane例句：1. The fetus is surrounded by a layer of chorionic tela during the first trimester of pregnancy.（胎儿在怀孕的前三个月被绒毛膜层包围。）2. The chorionic tela plays a crucial role in the development of the fetus.（绒毛膜在胎儿发育中起着至关重要的作用。）']
例句：
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1. The fetus is surrounded by a layer of chorionic tela during the first trimester of pregnancy.
胎儿在怀孕的前三个月被绒毛膜层包围。
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2. The chorionic tela plays a crucial role in the development of the fetus.
绒毛膜在胎儿发育中起着至关重要的作用。
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3. During labor, the chorionic tela can be removed to facilitate delivery.
分娩时，可以移除绒毛膜以便于分娩。