/ˈʌndjʊleɪt/
no obj.
1- move with a smooth wave-like motion波动; 起伏：
her body undulated to the thumping rhythm of the music.
她的身体随音乐的有力节奏上下舞动。
1.1
- usu. as adj. undulating have a wavy form or outline波浪形的：
delightful views over undulating countryside.
赏心悦目此起彼伏的乡村景色。
/ˈʌndjʊlət/
- Botany & Zoology (especially of a leaf) having a wavy surface or edge【植, 动】（尤指叶）波浪形表面的; 波浪形边的。
派生词
undulately
adverbundulation
nounundulatory
adjective词源
mid 17th cent.: from late Latin undulatus, from Latin unda 'a wave'.