Metathrombin
变性凝血酶, 无活力凝血酶
🗣️ 情景例句
At four o'clock,
四点钟，
We do business on a commission basis. A commission on your prices would make it easier for us to promote sales. Even 2 or 3 percent would help.
我们是通过取得佣金来进行商业活动的。从你方价格中收取佣金，便于我方推销。即便只有2%或3%也行。
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。