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
I can't figure him out-he's a mystery!
我不能理解他，他真是个迷。
To a boiling pot flies come not.
苍蝇不叮沸水壶。
The nomads who made these markings lived by hunting and fishing during the last Ice Age which began about 35,000 B.C.and ended about 10,000 B.C.
这些痕迹是游牧人留下的，他们生活在从公元前约35，000年到公元前10，000年的冰川期的末期，以狩猎、捕鱼为生。