To protect finless porpoises (江豚) and the Yangtze River, the government has stopped people from fishing on the river.
为了保护江豚和长江，政府禁止人们在江边钓鱼。
30 species of whales, dolphins and porpoises.
30种鲸，海豚和鼠海豚。
Porpoises and sharks are natural enemies.
海豚和鲨鱼是天然仇敌。
Porpoises and sharks are natural enemies.
海豚和鲨鱼是一对天敌。
In 1928 some porpoises were photographed.
1928年，有人拍摄到了海豚。
Porpoises and sharks are natural enemies.
海豚在孩子们面前跳舞。
The porpoises have not gone away ever since.
从那时起，这些鼠海豚就没有离开过。
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。
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。
I wondered that the porpoises had long since gone away.
我感到十分惊奇，那些海豚早就离开了。
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。
Five porpoises asphyxiated, including three pregnant females.
这使得五头江豚几近窒息，其中包括三头怀孕的雌性江豚。
It should be obvious that cetaceans—whales, porpoises, and dolphins—are mammals.
众所周知，鲸类动物是哺乳动物，如鲸鱼、鼠海豚和海豚。
"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。
More than 300 thousand small whales, dolphins and porpoises die due to commercial fishing each year.
每年超过300,000只幼年鲸鱼、海豚和鼠海豚由于商业捕捞而死亡。
In the case of Germany's offshore projects, those obstacles currently include weather and porpoises.
在德国的海上项目案例中，这些障碍目前包括天气和鼠海豚。
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。
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。
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。
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。
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。
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。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；
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。
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。
In another game, as the turtle swims across the oceanarium, the first porpoises swoops down from above and butts his shell with his belly.
在另一次游戏中，当海龟游过水族馆时，第一只海豚从上方猛扑下去，并用腹部撞击龟壳。
In another game, as the turtle swims across the oceanarium, the first porpoises swoops down from above and butts his shell with his belly.
在另一次游戏中，当海龟游过水族馆时，第一只海豚从上方猛扑下去，并用腹部撞击龟壳。
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