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
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
To enter outer space
飞出大气层，进入外太空
To his surprise, she said she hadn't.
使他吃惊的是，她说她不喜欢。