Thrombinogen
凝血酶原, 前凝血酶
🗣️ 情景例句
Nervous?
紧张？
Yes, I'm watching Channel 5.
是的，我在看5频道。
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。