Now the tuna have a chance to attack the unprotected baitfish 现在黄鳍金枪鱼开始进攻这没有保护的饵鱼

21. Other predatory fish are lurking nearby.
    还有掠食性鱼类在附近潜伏
22. Yellowfin tuna. They seem wary of the giant.
    黄鳍金枪鱼(黄鳍鲔) 看上去比鲸鲨机灵多了
23. The shark dives, as if to escape from such overcrowding.
    鲸鲨开始下潜,离开这过度拥挤的地方
24. Now the tuna have a chance to attack the unprotected baitfish
    现在黄鳍金枪鱼开始进攻这没有保护的饵鱼
25. but then back comes the giant.
    而后,鲸鲨归来
26. It has taken a vast mouthful of the baitfish itself.
    鲸鲨张开大口,满嘴都是饵鱼
27. Plankton, it seems, is not the only food for a whale shark.
    浮游生物看来并不是鲸鲨的唯一食物

来自《行星地球 第一季 第十一集 Planet Earth S01E11 海洋深处》第 24 行