(单词翻译:单击)
For over 20 years, Scott has been taking pictures of the dolphins and keeping track of who is who.
20多年来，斯科特一直在为海豚拍照，并追踪谁是谁。
In his extensive photo album, he has pictures of the same dolphin taken years apart.
在他的大相册里，他有同一只海豚的多张照片，它们是相隔多年拍摄的。
There's about eighty-eight of them in this catalog,
这个目录里大约有八十八只海豚，
but I maintain a catalog and computer of over 125 of them.
但我有一个目录和电脑记录超过了125只。
A lot of the animals, umm, their spot pattern changes as they get older.
很多动物，嗯，它们的斑纹会随年龄的增长而改变。
It's very difficult to keep track of the animals.
要跟踪这些动物是很困难的。
It's almost like I have to take pictures of them yearly so I can keep track of the spot changes.
我好像每年都要给它们拍照，这样我才能跟踪它们的变化。
When they age, some look like the older ones I can still recognize them.
当它们变老时，有些看起来就像我还能认出的老家伙。
It's a lot easier to keep track of the dolphins that have what Scott called "Permanent IDs",
有斯科特所说的“永久标识”的海豚追踪起来更容易些，
these are scars that don't change much over time, like the dorsal fin on this dolphin.
这些永久标识是伤疤，它们不会随时间改变，就像这只海豚的背鳍一样。
Some of the dolphins that Scott has been following have gone from being calves to mothers to grandmothers!
斯科特跟踪的一些海豚已经从小海豚变成母海豚，又变成祖母了！
No matter what their age, the dolphins seem to love to play.
无论它们的年龄多大，海豚似乎都喜欢玩耍。
For dolphins, goofing off is a very important activity.
对海豚来说，闲荡是一项非常重要的活动。
But why are dolphins so playful?
但是海豚为什么如此爱玩呢？
My theory is that they can play because they don't have to spend much time looking for food.
我的理论是，它们玩耍是因为它们不需要花很多时间寻找食物。
Dolphins have a special sense called echolocation.
海豚有一种叫做回声定位的特殊感官。
By making clicking sounds and listening to the echoes that bounce back,
它们通过发出滴答声并听反弹回来的回声，
dolphins can visualize in complete darkness, as well as detect fish hiding under the sand.
就可以在漆黑中可视化，并能发现藏在沙下的鱼。
One of the favorite foods of spotted dolphins are razor fish,
斑点海豚最喜欢的食物之一是竹蛏，
which dive into the sand for safety when a threat approaches.
当威胁临近时，竹蛏会潜入沙土中寻求安全。
By using their echolocation, the dolphins can detect them hiding out of sight under the sand.
通过使用回声定位，海豚可以发现它们藏在沙子下面。
Dolphins also eat squid that they hunt at night in deep water off the continental shelf.
海豚也吃乌贼，它们晚上在大陆架的深水中捕食乌贼。
Because the dolphins don't have to spend much time looking for food, they have plenty of time to play.
因为海豚不需要花很多时间寻找食物，所以它们有足够的时间玩耍。
Dolphins are so smart that they invent games to play with each other.
海豚如此聪明，以至于它们发明了游戏来和彼此玩耍。
Scott once noticed that the dolphins were playing "keep away" with seaweed,
斯科特曾经注意到海豚在玩“远离”海藻的游戏，
and he thought he would try to join the fun.
他想他会尝试加入这个游戏的。
Now, the dolphins play keep away with him using a bandana.
现在，海豚们正玩用大手帕把他赶走的游戏。
He calls it the bandana game.
他称之为大手帕游戏。
Scott waves the bandana in the water to get the dolphin's attention.
斯科特在水里挥动手帕来吸引海豚的注意。
Soon they take it from him and the game is to try to get it back!
很快它们就从他那里拿走了手帕，游戏就是试图把它拿回来！
I find it incredibly amazing that these wild animals will interact with me like this.
这些野生动物会这样和我互动，我发现真是不可思议。
Can you imagine a lion or a bear out in the wild playing games with people?
你能想象一只狮子或一只熊在野外和人玩游戏吗？
These dolphins are the underwater equivalent.
这些海豚是水下的同类。
This kind of thing only happens in the ocean.
这种事只发生在海洋里。
It's one of the reasons I love the ocean so much.
这也是我如此热爱海洋的原因之一。
We only get the bandana back when the dolphins get bored and decide to stop playing.
当海豚感到厌烦并决定停止玩耍时，我们才能把手帕拿回来。
Otherwise they're just too fast for us!
否则它们相对我们的速度而言太快了！
After a week of excitement playing the bandana game with the dolphins,
在和海豚玩了一个星期的有趣的大手帕游戏之后，
I've learned one important lesson, dolphins swim a lot better than I do.
我学到了一个重要教训，海豚比我游得好多了。
But they do seem to love to play, and they will even spend time playing with people.
但是它们似乎很喜欢玩，它们甚至会花时间和人们一起玩。
Although I must bid my new friend goodbye and head for home, I'll be back,
虽然我必须和我的新朋友说再见，然后回家，但我还会回来的。
because this is one adventure that I need to experience again!
因为我需要再次经历一次这样的冒险！
WHOO!! That was great!
呜呼！！太棒了！
