Level 5 · word 11,859 of 20,000

undulate

/ˈʌndʒəˌleɪt/ American
  • v. 波动, 起伏, 呈波浪形
Definition
  • v. move with a smooth wave-like motion
Example
The hills undulate gently across the countryside near the coast.
海边乡村的丘陵起伏绵延,十分平缓。