Fraction a prothrombin
[医] 前凝血酶A部
🧩 词语组成解析
n. 凝血酶原\\n[化] 凝血酶原; 凝血因子II
🗣️ 情景例句
She was a wonderful woman. A real friend.
她是个很好的女人， 一个真正的朋友。
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
Where's that?
苏格兰在什么地方？