Fraction b prothrombin
[医] 前凝血酶B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
whom I think you've met once or twice before.
我想你以前见过他一两次面。
If you run after two heares, you will catch neither.
两头落空。
If I get there early, I can see the doctor quickly, she thought.
“早到就能早看医生，”她想。