Tetrafluoroberyllate
[化] 四氟鈹酸根; 四氟鈹酸根或鹽
??? 情景例句
The soothing sounds of the country.
安詳的鄉村音響。
So I've heard.
我聽說是這樣。
You'll have to wear this hard hat for the tour.
參觀時必需戴上這安全帽。