Florocid
氟化钠
🗣️ 情景例句
Oh, you really had a bad day.
哦 你们真的没玩好。
Do you work near the university?
你在大学附近工作吗？
Sometimes I have problems at work but on the whole I enjoy my job.
有时我的工作也有问题，但总的来说，我喜欢我的工作。