Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
Who's buying the drinks?
谁来买酒？
Two dogs strive for a bone,the third runs away with it.
两狗相争一骨头，第三只狗衔起走。
It suddenly occurred to one of the workers to open up the box.
突然一个工人想到打开箱子看看。