bed ripple

例句：

1. 1. The waves gently lapped against the shore.
   海浪轻轻拍打着岸边。
2. 2. The bed rippled as she moved.
   她移动时，床波纹荡漾。
3. 3. The children were playing in the sand, creating a bed of ripples.
   孩子们在沙子里玩耍，制造出一道道涟漪。