音标:['melәnin] ;
n. 黑色素
[化] 黑素
n. insoluble pigments that account for the color of e.g. skin and scales and feathers
词型变化:名词复数形式 : melanins
词性分布:
名词100%

melanin的用法和样例:

例句

用作名词(n.)
  1. Freckles are caused by the sediment of melanin.色斑的形成是因为黑色素沉积。
  2. Melanin darkens the skin and is the cause of suntan.黑色素使皮肤变黑是人被晒黑的原因。

词汇搭配

  • melanin granule黑(色)素颗粒...
  • epidermal melanin unit表皮黑色素单元,表皮...
  • melanin pigmentation黑色素沉着

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发表于:2018-12-24 / 阅读(324) / 评论(0) 分类 Scientific American(五)月

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