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
Here's $ 1000 for the trip. Use some of it for stamps.
这里是1000美元，给你当旅费。要把一些用来买邮票啊！
Take one's courage in both hands.
勇往直前，敢作敢为。
and in this I do not think that I stand alone.
我也相信，出洋相者并非我一人。