Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
立毛
：每
个发囊下面连着个很小
叫做立毛。
Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
立毛：每个发囊下面连着个很小叫做立毛。
Arrector Pili are tiny muscles attached to the base of the hair follicles.
竖毛（立毛）是些附着在毛囊底部细小。
明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
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