Undular
a. [物](水跃)波形的
🗣️ 情景例句
I understand you used to be in the construction business,
听说你过去从事建筑业
What is bothering you?
什么在困扰你？
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-