Flourosis
慢性氟中毒
🗣️ 情景例句
There's so many things to talk about.
有许多事情需要讨论。
Love rules without a sword and bind without a cord.
爱的统治不用刀枪，捆绑不用绳索。
Come upstairs and see it.
到楼上来看看吧。