Prothrombin
n. 凝血酶原\\n[化] 凝血酶原; 凝血因子II
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
No,I don't understand.
不，我不明白。
The Beatles represented part of the spirit of their age.
甲壳虫乐队代表了他们时代的部分精神。