Most otters are solitary, 大部分水獭都是独自生活

89. Fishing practice begins when the cubs are four months old.
    小水獭在4个月大时就开始学习捕鱼
90. Only the adults have the speed and agility needed to make a catch.
    只有成年水獭才具备 捕鱼所需的速度和灵巧
91. Adults share their catches with their squabbling cubs.
    成年水獭把“战利品”与幼崽一起分享 小家伙们立刻抢成一团
92. Most otters are solitary,
    大部分水獭都是独自生活
93. but these rich warm waters can support large family groups
    但是这些富饶温暖的水域 足以养活大型家族
94. and even bigger predators.
    甚至更大的掠食动物
95. Mugger crocodiles, four metres long, could easily take a single otter.
    4米长的恒河鳄 能轻松捕获一只落单的水獭

来自《行星地球 第一季 第三集 Planet Earth S01E03 淡水》第 92 行