Kera
abbr. keratinase 角蛋白酶
🗣️ 情景例句
He grew up happily in a small village.
他在小村庄里快乐地长大。
The roofer is patching the roof with metal.
屋面防水工在用铁皮修补屋顶。
And if this something else is rightly chosen,
如果选得合适，