Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
I won't insist, but I think it's in your own best interests to quit smoking.
我不会坚持，但我想戒烟对你自己有好处的。
Well, I can't get over how different the weather is here.
噢，想不到这里的天气大不一样。
A good knowledge of English will improve your chances of employment.
英语好将有助于增加你们的就业机会。