verb🔗Share起伏，波动. To cause to move in a wavelike motion."The ribbon undulated gently as the child twirled it around her finger. "小女孩绕着手指转动丝带，丝带轻轻地起伏波动。naturephysicsactionenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动 To cause to resemble a wave"The breeze gently undulates the tall grass in the field, making it look like waves on the ocean. "微风轻轻吹拂着田野里的高草，使其像海浪一样起伏。naturephysicsappearanceChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动。 To move in wavelike motions."The tall grass undulates in the gentle breeze. "高高的草在微风中轻轻地起伏摇曳。natureactionphysicsenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Share起伏，波动。 To appear wavelike."The tall grass undulates in the summer breeze. "夏日的微风中，那片高高的草地像波浪一样起伏摇曳。appearancenaturephysicsChat with AIVocabulary GamePractice Reading
