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第三人称
undulates
现在进行时
undulating
过去式
undulated
过去完成时
undulated
1
波动, 使波动
to cause a surface to form small waves or ripples
- The boat's movement undulated the canal's serene waters, disturbing the reflections.
船的移动波动了运河平静的水面，扰乱了倒影。
- The breeze undulated the pond's surface, making the sun's reflection dance.
微风波动了池塘的表面，使太阳的倒影舞动。
- The children loved to throw pebbles into the lake to undulate the calm surface.
孩子们喜欢往湖里扔小石子，让平静的水面泛起涟漪。
2
波动, 起伏
to fluctuate in volume or pitch in a wave-like pattern
- The singer's voice undulated, creating an enchanting melody that captivated the audience.
歌手的聲音起伏，創造出一個迷人的旋律，吸引了觀眾。
- The sound of the siren undulated as the ambulance sped past us.
救护车从我们身边疾驰而过时，警笛的声音起伏。
- The waves of the ocean undulated in a rhythmic sound, lulling the beachgoers into relaxation.
海洋的波浪以有节奏的声音起伏，使海滩上的人们放松下来。
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