And he needs to be. 而这也是它必须的

35. He just has to get there.
    前提是过得去
36. There is no question as to where this pup belongs.
    毫无疑问 这只幼仔属于大海
37. In the water, he's fast and agile.
    在水里 它既轻快且灵活
38. And he needs to be.
    而这也是它必须的
39. The rolling surf conceals life-threatening dangers.
    翻滚的海浪下掩藏着生命危险
40. A great white shark.
    大白鲨
41. This young pup has had a very lucky escape.
    这只幼仔侥幸逃脱

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 38 行