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
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
There are only two minutes left.
只剩两分钟了。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。