Borofluoric acid
[机] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
I miss her very much.
我非常想她。
Stay out of this matter, please.
请别管这事。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。