Unduloid
波状体
🗣️ 情景例句
I've turned over the management of my affairs to my brother.
我已经把我的事务托付给我的兄弟去处理。
A fool may give a wise man counsel.
愚者千虑，必有一得。
The next morning, the box had disappeared but Mrs. Ramsay was sure that the kidnapper would keep his word.
第二天早晨，放钱的盒子不见了。但拉姆齐太太确信绑架者是会履行诺言的。