Fluoboric acid
[化] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
One misfortune comes on the neck of another.
祸不单行。
What's your name?
你叫什么名字？