vi. 不及物动词起伏；波动；呈波浪形；震动
vt. 及物动词波动；使波动；使起伏；使成波浪形
The fields of wheat seemed to undulate in the gentle breeze.
麦田在微风中似乎起伏不定。
The dancer's movements appeared to undulate like ocean waves.
舞者的动作看起来像海浪一样波动。
As the music played, the lights began to undulate across the stage.
音乐响起时，灯光开始在舞台上起伏。
The snake's body seemed to undulate as it slithered across the sand.
蛇的身体在沙地上滑行时似乎在起伏。
The flag appeared to undulate in the strong wind.
旗帜在强风中似乎在飘动。
The surface of the water began to undulate with the passing boat.
随着船只经过，水面开始波动。
The landscape seemed to undulate with gentle hills and valleys.
景观随着缓坡和山谷似乎在起伏。
The fabric of her dress seemed to undulate as she walked.
她走路时，裙子的面料似乎在波动。
The sea appeared to undulate under the moonlight.
海洋在月光下似乎在起伏。
The grasslands undulate gently under the weight of the wind.
草原在风的压力下轻轻起伏。
undulate hills 起伏的山丘
undulate motion 波动的运动
undulate surface 波浪形表面
undulate pattern 波纹图案
undulate rhythm 起伏的节奏
undulate terrain 起伏的地形
undulate waves 波动的波浪
第三人称单数: undulates;
过去式: undulated;
过去分词: undulated;
现在分词: undulating;
