porpoises

During the night two porpoises came around the boat and he could hear them rolling and blowing.

夜间，两条海豚游到小船边来，他听见它们翻腾和喷水的声音。

A few finless porpoises -- smaller, stouter mammals with blunt noses -- were moved into a reserve, along with one baiji.

少数江豚–小而结实，嗅觉迟钝的哺乳类动物–和一只白暨豚一起被转移到一个自然保护区。

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。

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。

He is now satisfied merely to try to stand up, but as soon as he does so a porpoises knocks him flat.

而当海龟尝试站起来的时候，一只海豚向它水平撞了过去。

I wondered that the porpoises had not long since gone away.

我感到十分惊奇，那些海豚不久前才离开。

Any of various small whales, porpoises, or similar aquatic mammals, especially a whale of the genus Mesoplodon, having a pointed snout.

啄鲸一种小型鲸、海豚或类似的水生哺乳动物，尤指啄鲸属的一种有尖啄的鲸鱼

Penguins are the only bird that can leap into the air like porpoises .

企鹅是唯一能像海豚一样窜出水面的鸟类？。

An examination of the functioning of the senses in cetaceans , the group of mammals comprising whales, dolphins and porpoises.

一项对鲸类感官机能的检查，这组哺乳动物包括鲸，海豚和鼠海豚。

In the 18th century, porpoises were described as so common they sometimes darkened the sea as they rose to draw breath.

在18世纪，鼠海豚被描述为非常普遍的，他们有时使海水变黑，因为它们生长是靠喘气。

He no sooner recovers his equilibrium than the next porpoises comes along and hits him another crack.

海龟刚恢复平衡，第二只海豚又冲过来猛击一下。

large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals.

大型水生食肉哺乳动物，前肢象鳍、无后肢，包括：；鲸；海豚；鼠海豚；独角鲸。

Go wildlife watching on the rugged island of Mull for the chance to see eagles, otters and even porpoises.

在崎岖不平的马尔岛上，你将有机会看到的野生的鹰，水獭和鼠海豚。

"If the ice had lasted much longer, all the porpoises would have died, " says IHB's Hao Yujiang.

“如果湖面的冰冻持续地更久一点的话，所有的江豚都将死去，”水生生物研究所的郝玉江说。

A too-brief connection suppresses fish spawning, says Hao, so researchers must stock Tian-E-Zhou with fish for the porpoises to eat.

这种过于短暂的流通抑制了鱼类产卵，郝玉江说，所以研究人员必须在天鹅洲保护区储备足够的鱼，以喂养长江江豚。

More than 300 thousand small whales, dolphins and porpoises die due to commercial fishing each year.

每年都有30多万头小鲸鱼、小海豚还有鼠海豚因为商业捕捞而丧生。

Based on the encephalization quotient, the brightest animals on the planet are humans, followed great apes, porpoises, and elephants.

以脑力商数为依据，地球上最聪明的动物是人类，紧跟其后的是大猿、海豚和大象。

All dolphins, including the bottlenose, are porpoises.

所有海豚，包括宽吻海豚，是都属于鼠海豚科。

What would you say is the main characteristic of porpoises ?

你认为海豚的主要特性是什么？