Undular
a. [物](水跃)波形的
🗣️ 情景例句
It's beautiful.
它很漂亮。
What is the total circulation of this newspaper.
这家报纸总发行量多少？
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。