Prothrombin,thrombinogen,thrombogen
[化] 因子II; 凝血因子II; 第二因子; 凝血第二因子; 凝血酶原
??? 情景例句
because we have a little surprise for you today.
因為今天我們要給各位一項驚喜。
A tattler is worse than a thief.
搬弄是非者，惡劣甚于賊。
for even though it was far too big for her needs, she persisted in living there long after her husband's death.
房子實在太大了，但在丈夫去世多年后，她仍然執意長年住在那兒。