fluctuation of the wave

• 波浪起伏

fluctuation of the wave的用法和样例：

例句

1. The ship surged in the stormy seas, rolling and pitching with each wave.
   大船在暴风雨的海上随波浪起伏。
2. Like black hulks, the shadows of the great trees ride at anchor on the billowy sea of grass.
   大树的阴影像黑色的大船停泊在波浪起伏的茫茫草海上。