Proconvertin
(血清凝血酶原)转变加速因子前体
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
He is a fool who cannot be angry,but he is a wise man who will not.
不会发怒是蠢人，不愿发怒是聪明人。
Next Friday? Why, what's happening? I'm going away for the weekend.
下星期五？嗨，到底有什么事情？我要外出度周末。