Fluoniobate
氟铌酸盐
🗣️ 情景例句
My watch stopped.
我的表停了。
I know what you mean.
我懂你的意思。
he had great difficulty in controlling the car because a tyre burst during the first run.
但他很难把汽车控制住，因为在开始的行程中爆了一只轮胎。