Prothrombin
n. 凝血酶原\\n[化] 凝血酶原; 凝血因子II
🗣️ 情景例句
Oh, that's a very good school.
哦， 那是个好学校。
Who is the greatest poet of our times?
谁是当代最伟大的诗人？
God helps those who he1p themselves.
上帝帮助那些自己帮自己的人。