Interhalogen
卤间化合物
🗣️ 情景例句
How much did you estimate this job is going to cost us?
你估计这工作要花我们多少钱？
Our sweetest songs are those that tell of saddest thought.
最甜美的的歌是诉说最悲伤的哀思。
Is this box big? No, it's small.
不，是小的。