verb🔗Share起伏，波动 To cause to move in a wavelike motion."The breeze undulated the curtains in the open window. "微风吹拂着，窗户上的窗帘轻轻地上下起伏。naturephysicsactionChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动。 To cause to resemble a wave"The wind undulated the tall grass in the field, creating a wave-like motion. "风吹过田野里的高草，使它们像波浪一样起伏摆动。natureenvironmentgeographyChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动。 To move in wavelike motions."The long grass in the field undulated in the gentle breeze. "田野里的长草在微风中轻轻起伏。naturephysicsoceanenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动。 To appear wavelike."The tall grass undulated in the gentle breeze. "微风吹拂下，高高的草地像波浪一样起伏摇曳。appearancenatureChat with AIVocabulary GamePractice Reading
