A mound-in-motion ran parallel to their rock island—moonlit ripples, sand waves, a cresting burrow almost level with Paul's eyes at a distance of about a kilometer.

一个运动中的土丘与他们的岩石岛平行——月光下的涟漪、沙浪、一个几乎与保罗的眼睛齐平的顶部洞穴，距离大约一公里。