Hexides
己糖二酐(脱二水己六醇类)
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
You're very stingy.
你也太小气了！
No, I think it'll be all right for him to go to school.
不，我想他去上学没什么关系。