Fluoridation
[医] 氟化
📖 牛津释义
fluoridation
n[U].
🗣️ 情景例句
I read everything I can get my hands on but I like ghosts stories best.
我随意拿起什么便看什么，但我最喜欢看鬼故事。
The ox when weariest treads surest.
牛困走得稳。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她称这些佣人叫“流动人口”，因为他们来匆匆，所以我甚至都没有机会知道他们的姓名。