Fluorborate
氟硼酸盐
🗣️ 情景例句
Five.
五岁。
It has been a great year for all of us.
过去的一个，对我们大家来说，是辉煌的一年。
Most people believe that the strike will last for at least a week.
多数人认为此次罢工至少会持续一个星期。