For example, you might recall the journal paper from a few years ago describing how dolphins use sponges to protect their beaks and to help with fishing.

例如，你可能会回想起几年前的一篇期刊论文，描述了海豚是如何使用海绵来保护它们的吻突和帮助捕鱼的。

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The villagers protect them and the dolphins have got smart and stay near.

村民们保护海豚，海豚很聪明，就呆在附近。

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Japan says that killing dolphins is not banned under any international treaty and that the animals are not endangered, adding that dolphins need to be culled to protect fishing grounds.

日本声称，捕杀海豚不被任何国际条约所禁止，且海豚也不是濒危动物，另外捕杀海豚还可以保护渔场。

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Consumers who want to protect dolphins from tuna fishers are not served by a law that actually protects U.S. tuna fishers from Mexican competition.

FORBES: WTO Correctly Calls The U.S. To Task For Lying About Dolphins

Many cetaceans are among the apex predator species first to go from an area if things are not right, so if we can protect whales and dolphins, we know we are on the right road.

BBC: Saving the seas for marine mammals

But the new bill could lead to the removal of limits on incidental kills, which protect animals like sea turtles or dolphins caught in fishing nets.

CNN: Is Endangered Species Act in danger? - Sept. 26, 1995