They paddle faster, and faster, and faster, until they're going so fast that they literally lift up out of the water, and they're standing upright, sort of paddling the top of the water.
它们的双蹼愈划愈快，愈划愈快， 快到最后身体从水中腾起， 身体直立，就像是轻功水上飘一般，在水面上奔跑。