They also secrete a waxy, transparent substance called cutin . 它们还分泌蜡质的透明物质，称作角质。
2.
Celluloid resulted from efforts to produce a synthetic horn . 制造合成角质的层试，导致了赛璐珞的产生。
3.
He wore very dark blue shirts, a lemon-yellow tie, and horn-rimmed glasses . 他穿着非常深的蓝色衬衫，系一条柠檬黄的领带，戴着一副角质框架的眼镜。
4.
He was a tall man, almost 6 ft 3 inches, with horn-rimmed glasses and a thick mop of blond hair, which in later years was to turn pure white . 他身材高大，约六英尺三寸，戴一副角质眼镜，长着一头淡黄浓发，这种头发老年时就会全部变白。
5.
Excessive growth of horny tissue of the skin 角质疣皮肤角质组织的过度生长的部分
6.
The armadillo has a protective shell of bony plates 犰狳有角质鳞片的护甲
7.
That the exfoliator queen uses effect is a plus 去角质后使用效果尤佳。
8.
Enclosed in an oval , horny case . used of an insect pupa 壳内的封闭在椭圆形角质壳内的。用于一虫蛹
9.
A natural or synthetic substance resembling this material 角状物天然的或合成的，类似于角质物的物质
10.
Keratoprotein constitutes hair , nail , feather , silk and cobweb 角质蛋白构成毛发、指甲、羽毛、蚕丝及蛛网。
