Fluoprotactinate
氟镤酸盐
🗣️ 情景例句
I'm going to Ft. Lauderdale during spring break.
在春假时，我打算去'Lauderdale'城堡。
The hippopotamus is sleeping.
河马在呼呼大睡。
so vast is the number of planets,
但是行星的数目是那么庞大，