Borofluoric acid
[机] 氟硼酸
🧩 词语组成解析
🗣️ 情景例句
Try again.
再试一次。
I did the best I could.
我尽力了！
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。