名词
中文翻译：胎儿毛发
同义词：
['fetal hair', 'fetal hairs']
例句：
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1.The foetal hair on the baby's head is soft and curly.
宝宝头上的胎毛柔软且卷曲。
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2.Foetal hair is a unique feature of many mammals.
胎毛是许多哺乳动物的独特特征。
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3.The foetal hair on the newborn baby's body is very delicate.
新生儿身上的胎毛非常娇嫩。