undulate /ˈʌnʤəˌleɪt/ Brit /ˈʌndjəˌleɪt/ verb undulates; undulated; undulating
/ˈʌnʤəˌleɪt/ Brit /ˈʌndjəˌleɪt/
verb
undulates; undulated; undulating
Learner's definition of UNDULATE
[no object] formal
: to move or be shaped like waves起伏;波动;荡漾 — undulation
/ˌʌnʤəˈleɪʃən/ Brit /ˌʌndjəˈleɪʃən/ noun, plural undulations [count]