Fluooxycolumbate
氟氧铌酸盐
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
So they are content to let him go to America.
所以他们满意地让他去美国了。
Next Friday? Why, what's happening? I'm going away for the weekend.
下星期五？嗨，到底有什么事情？我要外出度周末。