Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
毛肌：每
个发囊下面连着个很小的肌肉叫做毛肌。
肌Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
毛肌：每个发囊下面连着个很小的肌肉叫做毛肌。
Arrector Pili are tiny muscles attached to the base of the hair follicles.
竖毛肌（毛肌）是些附着在毛囊底部的细小的肌肉。
声明：以上例
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生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
