🧩 词语组成解析
[医][=pancreatic oncofetal antigen]胰胎瘤抗原, 胰癌胚抗原
🗣️ 情景例句
Hold it, Robbie!
停停， Robbie！
What's the population of China?
中国有多少人口？
Two weeks ago it had a baby.
两周前它生了个孩子。