Poa
[医][=pancreatic oncofetal antigen]胰胎瘤抗原, 胰癌胚抗原
🗣️ 情景例句
Please forgive me.
请原谅我。
Sit down.
坐下！
At this, the police pointed out ironically that this would hardly be necessary as the men were already under arrest.
警察听后讥讽地说，这大可不必，因为他俩已被逮捕了。