undulate
US /ˈʌn.djʊ.leɪt/
UK /ˈʌn.djʊ.leɪt/
动词
1.
波动
to have a continuous up and down shape or movement, like waves on the sea:
示例:
•
The road undulates for five miles before a steep climb.
在 Lingoland 学习这个单词
波动
to have a continuous up and down shape or movement, like waves on the sea: