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Meat of whales , dolphins and porpoises , dried .

干鲸肉、海豚肉及鼠海豚肉。

Fishing both legal and illegal has also threatened the porpoises .

合法和非法的捕鱼也威胁到长江江豚的生存。

Until recently little was known about finless porpoises .

直到最近，还很少有人知道江豚这个物种。

What would you say is the main characteristic of porpoises ?

你认为海豚的主要特征是什么?

We respect lions and tigers and porpoises and dogs and all animals .

我们要尊敬狮子、老虎、海豚、狗，以及所有动物。