Keratious
[医] 角质的, 角蛋白的
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
She is a reliable assistant.
她是个可信赖的助手。
Mrs.Ramsay received an anonymous letter.
拉姆齐太太收到一封匿名信。