isn't
剑桥词典
- short form of is not
- It isn't easy being a parent .
- "Is there any more soup ?" "No, I'm afraid there isn't any left ."
- He's getting old and his hearing isn't very good.
- It's rather cold today, isn't it?
- Leave daddy's camera alone - it isn't a toy ! 返回 isn't
（is not的縮略形式）
He isn't coming until tomorrow . 他到明天才能來。
例句