索性用那涂了蜡似的、角质的小红嘴,“嗒嗒”啄着我颤动的笔尖.It would even peck my bobbing nib with its waxy red bill.制造合成角质的层试,导致了赛璐珞的产生.Celluloid resulted from efforts to produce a synthetic horn....

“角质的”的英语可以翻译为：corneous，horny，keratose，[医] keratious，keratode ...