Starlight defined a shelf beyond, a suggestion of sand ripples.

星光在远处定义了一个架子，沙波的暗示。

You'll see the sand ripples in the light areas where the sand is accumulating just after two days.

两天后，您会在沙子堆积的浅色区域看到沙子波纹。

16-22 Under him, six or seven feet down, was a floor of perfectly clean, shining white sand, rippled firm and hard by the tides.

在他下而六七英尺深的地方，是一片极其干净、闪光的白色沙子，已被潮水冲刷得坚硬实在。