Through a considerable period the meadow vegetation is not greatly affected thereby, for it gradually rises with the rising ground, keeping on the surface like water-plants rising on the swell of waves.

在相当长的一段时间内，草地植被并没有因此受到太大影响，因为它随着地面的上升而逐渐上升，像水生植物在波涛汹涌的海浪中升起一样，一直停留在水面上。