The explanation, no doubt, is that the littoral and sub-littoral deposits are continually worn away, as soon as they are brought up by the slow and gradual rising of the land within the grinding action of the coast-waves.

毫无疑问，解释是沿海和近海沉积物不断被磨损，一旦它们在海岸波浪的研磨作用下缓慢而逐渐上升的陆地被带上来。