Fluoboric acid
[化] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
They told me that you had quit.
他们告诉我你辞职了。
Old oxen have stiff horns.
牛老角硬。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。