🧩 词语组成解析
[医][=pancreatic oncofetal antigen]胰胎瘤抗原, 胰癌胚抗原
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
You know the proverb, Smile and the world smiles with you, cry and you cry alone.
要知道有句格言“微笑，世界与你同欢乐；哭泣，你只能独自悲伤”。
He gets into the lift. It takes him down to the first floor.
他进入电梯。他乘电梯下到1楼。