keratin
发音
英 [ˈkerətɪn]
美 [ˈkɛrətɪn]
-
- n.
- 角蛋白
- 角质
单词词源
keratin 角蛋白
来自希腊语keratos,角，词源同horn,-in,化学名词后缀。引申词义角蛋白。
双语例句
- 1. The second was that the melanosomes in her feathers were always embedded in the keratin of which the feather is made .
- 第二点是，羽毛中的黑素体总是镶嵌在组成羽毛的角蛋白中。
- 2. Composed of keratin , lipids and the pigments that give them their beautiful brilliant colors , feathers are particularly fascinating given the amazing work that they do .
- 羽毛中包含有角质，油脂以及为它们带来斑斓色彩的色素，羽毛所起到的作用让人惊叹。
- 3. Your eyes need to be transparent , however ; they can 't be covered by a layer of dead cells and keratin .
- 然而，眼睛却需要透明的保护层；在眼睛表面不能覆盖有死细胞或者角蛋白。
- 4. Nails , on both the fingers and the toes , are made of keratin , the same stuff our hair contains , only denser and harder .
- 手指甲与脚指甲，都是由角蛋白组成，这也是我们头发的主要组成部分，只不过较之更密实更坚硬。
- 5. Most of your body is protected by skin of course , and your outer layer of skin is made of dead cells and keratin , an opaque , protective substance .
- 当然你身体的大部分是由皮肤来保护，皮肤外层是由死细胞和角蛋白（即一种不透明的防护物质）组成。