间波蠕动

例句：

1. 1. The fishwas moving between the waves,undulating its body.
   鱼在波浪间游动，身体起伏不定。
2. 2. The snakewas slithering through thegrass, moving with a sinuous motion.
   蛇在草丛中蜿蜒前进，动作流畅。
3. 3. The caterpillar was crawlingon the leaves, moving in a slowand deliberate manner.
   毛毛虫在叶子上爬行，动作缓慢而谨慎。