Before you have time to take your bearings, the boat has shot down like an arrow, cleaving the huge waves and sending them swirling to merge and scatter again.

• 江面陡然下降，波涛汹涌，浪花四溅，当你还没来得及仔细观看，船已象箭一样迅速飞下，巨浪为船头劈开，旋卷着，合在一起，一下又激荡开去。