The dolphin scan the water ahead with their sonar. 海豚利用声纳扫描大海

58. and they're racing to catch up with it.
    开始加速追赶
59. The news has spread. Now a number of schools are on their way.
    消息传开,大量的真海豚上路了
60. They're heading towards the Azores volcanic islands a thousand miles west of Portugal.
    它们向亚速尔游去 葡萄牙以西1000英里的火山群岛
61. The dolphin scan the water ahead with their sonar.
    海豚利用声纳扫描大海
62. They're close to their target.
    已经接近目标
63. This is it. Scad mackerel.
    这就是了!竹荚鲭
64. It's difficult for a single dolphin to catch the fish.
    单只海豚想吃它们是很困难的

来自《行星地球 第一季 第十一集 Planet Earth S01E11 海洋深处》第 61 行