Oceanusn.海洋之神oceann.海洋；海量ocean bottom station海底观测站ocean transportation海洋运输oceangoing freighter远洋货轮ocean magnetic field海洋磁场Ocean Floor Drilling海底钻探ocean-going tanker海洋油轮oceanographic cutter海洋测量艇Oceangoing Fleet Tug舰队远洋拖船oceanographic survey海洋甸,海洋调查ocean bill of lading[经] 海运提单

1. As the turtle swims across the oceanarium, the first porpoise swoops down from above and butts his shell with his belly.
   当海龟游过水族馆时，第一只海豚从上方猛扑下去，并用腹部撞击龟壳。