Fluoridation
[医] 氟化
📖 牛津释义
fluoridation
n[U].
🗣️ 情景例句
Well, I'm glad you're feeling better
我很高兴各位感觉好些。
Have you invited any boys?
你邀请男孩吗？
Thank you,Jim. Please sit down. Could you count them, please, Lucy?
谢谢你吉姆， 坐下吧！你能数数吗？鲁茜？