undulation
- IPA[ˌʌndjʊˈleɪʃn]
英式
- the action of moving smoothly up and down;a smoothly rising and falling form, outline, or movement
noun: undulation, plural noun: undulations
- 釋義
名詞
- 1. the action of moving smoothly up and down the soft undulation of the waves animates the scene
- ▪ a smoothly rising and falling form, outline, or movement the road follows the undulations of the countryside
- 更多解釋
- IPA[ˌənjəˈlāSHən]
美式
- the action of moving smoothly up and down: the soft undulation of the waves animates the scene
Oxford American Dictionary