Zeolon h
分子篩(含有H離子)
??? 情景例句
Why don't you go to your room, Mom, and get some sleep.
為什么不到你的房間去？媽媽， 去睡一會(huì)兒。
No,she isn't.
不，她不是。
I feel rather ashamed.
我感到很不好意思。