- undulate
 - ['ʌndjuleit]
 - vi. 起伏,波动;震动;呈波浪形
vt. 波动;使波动;使起伏;使成波浪形
adj. 波动的;起伏的;波浪形的 
参考例子
           - 1.They danced not with their legs or arms, but with their entire bodies, undulating their abdomens.
 - 他们跳舞不是用腿和臂,而是用整个身子,腹部一起一伏地扭动着。
 
- 2.In a terribly undulate area, these requirements canhardly be met simultaneously.
 - 在高差较大的复杂地表区,很难同时满足这些要求。
 
- 3.The species is characterized by its long and lanceolate leaflets with undulate teeth.
 - 本种以它的长和披针形的小叶具波状的齿为特点。
 
英文解释
           - v.
 - 1.stir up (water) so as to form ripples
 - 2.occur in soft rounded shapes
 - 3.move in a wavy pattern or with a rising and falling motion
 - 4.increase and decrease in volume or pitch, as if in waves
 
- adj.
 - 1.having a wavy margin and rippled surface
 
网络释义
               - undulate
 - 波动; 波状的; 起伏的; 起伏;
 
- undulate fold
 - 波状褶皱;
 
- undulate resistor
 - 波形电阻体;
 
- undulate colony
 - 波形菌落; 释义:波形菌落;
 
- undulate quantity
 - 脉动值;