Thrombin,thrombase
[化] 因子IIa; 凝血因子IIa; 凝血酶
🗣️ 情景例句
What has kept you so busy?
什么使你这么忙？
What right do you have to tell me what to do?
你凭什么指使我？
My parents used to live in South America and I used to fly there from Europe in the holidays.
我的父母曾经住在南美洲，所以假期里我常从欧洲乘飞机到他们那里。