Undular
a. [物](水跃)波形的
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
He is a wise man who speaks little.
聪明的人话不多。
No, I'm just looking at the menu. Are you hungry?
还没有，我正在看菜单。你饿了吧？