Pentahalide
五卤化物
🗣️ 情景例句
You haven't answered my question.
你还没有回答我的问题呢。
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
One night, however, our vicar work up with a start: the clock was striking the hours!
一天夜里，我们的牧师突然被惊醒了，大钟又在“打点”报时了！