Prodan
氟硅酸钠
🗣️ 情景例句
When addressing a judge, always use 'your honor'.
在对法官说话时， 一定要尊称他为 'your honor'
It'll come to me.
我会想起来的。
There is no quicker method of disposing of patients than by giving them what they are asking for,
病人要什么就给什么，没有比这样处理病人更快的方法了。