undulate
adj. 波动的；起伏的
v. (使) 波动；(使) 起伏；(使) 震动
形容词：undulatory 过去式：undulated 过去分词：undulated 现在分词：undulating 第三人称单数：undulates
近义词：ripple，roll，riseandfall，swell，heave，surge，cockle，flap，wave，riffle，ruffle，
英英释义
Adjective
- having a wavy margin and rippled surface
Verb
- stir up (water) so as to form ripples
- occur in soft rounded shapes;
"The hills rolled past"
- move in a wavy pattern or with a rising and falling motion;
"The curtains undulated" "the waves rolled towards the beach"
- increase and decrease in volume or pitch, as if in waves;
"The singer's voice undulated"
例句
用作形容词(adj.)
- We soon see a field of wheat undulate in the breeze.我们很快看到一片在微风中起伏的麦田。