Unflatness
不平直度
🗣️ 情景例句
The two sistes are very much alike.
这两姐妹长得非常相像。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
Look!There's an ice cream man.
瞧！有个卖冰淇淋的。