🧩 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。