Plasmase
纤维蛋白酶
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
You forgot to fasten the collar buttons.
你忘了系鞋带。
We are less credulous than we used to be.
我们不再像以往那样轻易相信别人了。