Kera
abbr. keratinase 角蛋白酶
🗣️ 情景例句
He'll be grouchy.
他会发牢骚的。
He who plays with fire gets burned.
玩火者必自焚。
So it comes as a surprise to learn that giant fish are terrifying the divers on North Sea oil rigs.
因此，听说北海石油钻井平台上的潜水员受到巨型鱼类的恐吓，确实很让人吃惊。