Keratinous
角朊的, 角质的, 角(质)蛋白的
🗣️ 情景例句
I shouldn't have done that.
我不该那么做。
When I'm going to buy a TV set next time, I'll buy a color set.
你有电视节目表吗？猜谜游戏节目之后是什么？
We're having trouble meeting your shipping schedule.
要如期出货，我们有问题。