Borofluoric acid
[机] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
When will he come to see you?
他什么时候来看你？
He should have known that the police would never allow this sort of thing.
他本该知道警察绝不会允许这类事情发生。