Interhalogen
卤间化合物
🗣️ 情景例句
a group of caring Riverdale citizens gathered
一群热心公益的Riverdale居民聚集在一起
A word spoken is past recalling.
一言既出，驷马难追。
From the moment he arrived there, he kept on pestering his doctor to tell him when he would be able to go home.
从他进医院那一刻时，他就缠住医生，让医生告诉他什么时候能回家。