human hair

 
  • 人發(fā)

human hair的用法和樣例:

例句

  1. A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body.
    人類(lèi)的頭發(fā)主要由一種叫角朊的蛋白質(zhì)組成,并含有水分及在身體其他部分也可找到的微量金屬和礦物質(zhì)。
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