Precipitinogen
n. [医]沉淀原, 沉淀素原
🗣️ 情景例句
When's the next class?
下一次上课什么时候？
Cool it man，I'm sorry.
对不起，请您息怒。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。