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
While the Chinese rely on chopsticks, westerners prefer to use a knife and fork to eat with.
用餐时，中国人喜欢用筷子，而西方人喜欢用刀叉。
I used to set my alarm clock for exactly 7 a.m.
我过去常将闹钟调为上午7点整。
At exactly that moment, the telephone rang.
恰恰在此时，电话铃响了。