Perithallium
围层
🗣️ 情景例句
How can I reward your help?
我怎样才能报答你的帮助呢？
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
No! I think February is worse than January.
不！我认为2月比1月更糟。