to undulate
01
波动, 使波动
to cause a surface to form small waves or ripples
例子
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。
02
波动, 起伏
to fluctuate in volume or pitch in a wave-like pattern
例子
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。
03
波动, 起伏
move in a wavy pattern or with a rising and falling motion
04
波动, 起伏
occur in soft rounded shapes
undulate
01
波状的, 起伏的
having a wavy margin and rippled surface
词汇树
undulating
undulation
undulatory
undulate
undul
