Prothrombin
n. 凝血酶原\\n[化] 凝血酶原; 凝血因子II
🗣️ 情景例句
I would like a single room.
我想要一个单人间。
What's the population of China?
中国有多少人口？
Still, I'm glad the bell is working again.'
不过，钟又能报时了，我还是很高兴的。”