porpoises

Porpoises and sharks are natural enemies.

海豚和鲨鱼是一对天敌.

In 1928 some porpoises were photographed working like beavers to push ashore a waterlogged mattress.

1928年有人把这些海豚象海狸那样把一床浸泡了水的褥垫推上岸时的情景拍摄了下来.

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.

A shoal of porpoises are well on the feed.

一群海豚正在吞食.

In 1928 some porpoises were photographer working like beavers to push ashore a waterlogged mattress.

1928年,有人拍摄到了海豚像海狸一样把浸透水的床垫推上岸的情景.

Thousands of dolphins and porpoises and whales are killed as part of the by-catch each year.

每年作为副渔获物而被捕杀的鲸、海豚和海豚科动物都会达到数千头.

I wondered that porpoises had not long since gone away.

我感到十分惊奇,那些海豚不久前才离开.

There has long been a superstition among mariners that porpoises will save drowning.

长久以来,海员们有一种迷信,那就是海豚会把很快要淹死的人推到水面使之获救.

There has long been a superstition among mariners that porpoises will save drowning men.

长久以来,海员们有一种迷信,那就是海豚会回搭救快要淹死的人.

This is not easy and may require two porpoises working together.

这并非是件容易做的事情,可能需要两只海豚一起用力才办得到.

What would you say is the main characteristic of porpoises?

你认为海豚的主要特征是 什么 ?

A shoal of porpoises are on the feed.

一群海豚正在吞吃食物.