porpoises

Scientists at the Zoological Society of London say harbour porpoises exposed to PCBs had smaller testicles, suggesting an effect on sperm3 count and fertility.

英国伦敦动物学会的科学家们表示，暴露在含有多氯联苯的环境下的港湾鼠海豚睾丸较小，这表明多氯联苯对其精子数和生殖能力有所影响。

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

The porpoises have not gone away long since.

从那以后很久了，这些鼠海豚都没有离开过。

A study on finless porpoise from Bohai Sea and Yellow Sea

黄渤海江豚的调查研究

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.

First Report on Chronic Epidermal Inflammation of Yangtze Finless Porpoise

长江江豚慢性皮肤炎症的初报

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.

And could determine the movement direction of porpoise with a correct detection of 60.0%.

在判断江豚移动方向时，正确判断率为60.0%。

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.

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.

Water quality analyzing of rearing Yangtze finless porpoise in semi-nature reserve

半自然水域中长江江豚饲养水体理化因子分析

A yellow fatty oil obtained from porpoises and used as a fine lubricant.

一种从鼠海豚中提取的黄色脂油，用作优质润滑剂。

What would you say is the main characteristic of porpoises?

你认为海豚的主要特征是 什么 ?

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.

Diurnal behaviors and time budget of a female Yangtze finless porpoise during pregnancy

一只长江江豚妊娠期昼间行为及其时间分配

A shoal of porpoises are on the feed.

一群海豚正在吞吃食物.

The Finless Porpoise is another resident marine mammal species.

此外,江豚是另一种在本港海域栖居的海洋哺乳类动物.

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

这并不容易，而且可能需要两只海豚合作。

Such conflict is a conflict of result not of porpoise.

这两种政策之间的冲突是结果上的冲突而不是目的上的冲突。

Now, research on hundreds of harbour porpoises washed up around the UK over the past decade raises concerns about male fertility too.

现在，对过去十年中在英国各地被冲上岸的数百只港湾鼠海豚的研究，又引起了人们对雄性生殖能力的担忧。

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.

Mexico strives to save endangered porpoise.

墨西哥努力拯救濒危的鼠海豚。

Progress on conservation biology of Yangtze finless porpoise

长江江豚保护生物学研究进展

And the porpoise is just one species under threat.

而海豚只是承受威胁的多种生物其中的一种。

A shoal of porpoises are well on the feed.

一群海豚正在吞食.

Study on biology of finless porpoise from Yangtze river in captivity

长江江豚的饲养和观察

Investigation of Health Status of Yangtze Finless Porpoise in the Field

长江江豚野外健康状况的调查

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.