Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
每
个发囊下面
个很小的肌肉叫做立毛肌。
Arrector Pil : Each hair follicle has a tiny muscle called the arrector pili attached to it.
每个发囊下面个很小的肌肉叫做立毛肌。
声明：以上
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的观点；若发现问题，欢迎向我们指正。
