Undular
a. [物](水跃)波形的
🗣️ 情景例句
I hear that you have a Italy Symphony Orchestra concert on the 15th evening.
听说15号晚上意大利交响乐团要在贵院演奏。
My brother is not quite twenty-five.
我的兄弟不够25岁。
You might as well throw your money away as spend it in gambling.
你与其把钱花在赌博上，不如把它丢掉的好。