Chemoprevention
[医]化学预防（癌症）, 化学预防
🗣️ 情景例句
Do you think the end is all right?
你看结尾还行吗？
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
The mondey took the tiger to a big river.
猴子领着老虎来到一条大河边。