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
I've got a million things to do.
我有很多事情要做。
Where are the stairs?
楼梯在哪里呢？
As in Australia, the first settlers found many strange birds and animals that exist nowhere else in the world.
正如在澳大利亚一样，第一批移民发现了许多在世界别的地方不存在的珍奇鸟类与动物。