Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
每一个发囊下面连着一个
肌肉叫做立毛肌。
Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
每一个发囊下面连着一个肌肉叫做立毛肌。
声明：以上例句、词性
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未经过人工审核，其表达内容亦不代表本软件
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