n.波浪形，起伏，波动，荡漾

The sea's undulations were hypnotic, making it difficult for her to keep her eyes open.
海浪的起伏让她感到昏昏欲睡，难以睁开眼睛。
The surface of the water was disturbed by the undulations of a school of fish swimming beneath.
水面被一群鱼在下面游动时引起的波动所扰动。
The athlete's muscles rippled with undulations as they ran, showcasing their strength and agility.
运动员跑步时肌肉随着起伏而起伏，展示了他们的力量和敏捷性。
The undulations in the road made driving uncomfortable, causing the car to bounce around.
道路的起伏让驾驶变得不舒服，汽车也随之颠簸起来。
The hills undulated in the distance, creating a picturesque landscape that was a feast for the eyes.
远处的山丘起伏不定，形成了一幅美丽的风景画，让人赏心悦目。
The undulations in the sand dunes were mesmerizing, making it hard to tell where one dune ended and another began.
沙丘上的起伏令人着迷，让人很难分辨一个沙丘何时结束，另一个何时开始。
The undulations of the ocean waves provided a soothing backdrop for a peaceful afternoon walk along the beach.
海浪的起伏为下午沿着海滩散步提供了一个宁静的背景。
The fabric of the dress had an undulating pattern that caught the light beautifully.
这件裙子的面料上有一个起伏的图案，美丽地捕捉了光线。
The undulations in the terrain made it challenging for the hiker to find a clear path forward.
地形的起伏给徒步者前进带来了挑战，使他难以找到一条清晰的道路。
The artist used undulations in the painting to create a sense of movement and energy in the scene.
艺术家在画作中使用起伏来创造场景中的动感和能量。