human hair

 
  • 人發

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.
    人類的頭髮主要由一種叫角朊的蛋白質組成,並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。
今日熱詞
目錄 附錄 查詞歷史