鲨鱼

这条鲨鱼围绕着鱼群游动。

The shark described a circle around the shoal of fish .

鲨鱼急速潜入水中，在船下游动。

The shark dived down and swam under the boat .

那条鲨鱼疯狂地扭动身体，试图挣脱。

The shark was writhing around wildly , trying to get free .

很多船员在鲨鱼成群的水域中拼命挣扎，死状惨不忍睹。

Many of the crew died a terrible death as they thrashed about in shark-infested waters

游泳的人看见鲨鱼靠近时一片惊慌。

Panic swept through the swimmers as they saw the shark approaching .

就一般情况说来，只有那种可恶的鲨鱼，才可以说是具有跟狗相似的癖性。

The accursed shark alone can in any generic respect be said to bear comparative analogy to the dog .

帕劳在2009年时也建立了世界上第一个鲨鱼保护区。

Palau also established the world 's first shark sanctuary in 2009 .

澳大利亚、新西兰和南非也有鲨鱼袭击。

Australia , New Zealand and South Africa also have shark 0attacks .

在美国,每年大约有100人受到鲨鱼攻击。

Shark attack about 100 people a year in America .

鲨鱼已经存在很长时间了。

Sharks have been around for a very long time .

鲨鱼以鱼、其他海洋动物或较小的鲨鱼为食。

Sharks feed on fish , other sea animals , or smaller sharks .

例如，如果一条鲨鱼停止游动，它就会下沉。

For example , if a shark stops swimming , it will sink .

有200到250种不同大小的鲨鱼。

There are between 200 and 250 kinds of sharks in different size .

在这里你会发现不同种类的鱼甚至鲨鱼。

Here you will find different kinds of fishes and even some kinds of sharks .

鲨鱼是鱼类，但它又和鱼有许多不同。

A shark is a fish , but it has many differences from a fish .

据说大白鲨是最危险的一种鲨鱼。

It is said that one of the most dangerous sharks is the Great White Shark .

有些地方会在沙滩上会设置瞭望台来警告人们水中有鲨鱼。

In some places there are watchtowers on the beach to warn people about sharks in the water .

鲨鱼出现时会有铃响起，提醒人们离开水域。

When a shark appears , a bell rings to tell people to get out of the water .

也许鲨鱼只认为人是一种海洋动物,或者是什么好吃的东西。

Perhaps the shark just thinks that the people is a kind of sea animal , or something good to eat .

她正在用鱼叉从较小的鲨鱼物种身上刮取DNA。

Now she 's using a harpoon8 to scrape DNA9 from smaller species .

南非大白鲨，这种通常出现在噩梦和自然纪录片中的动物，神秘地失踪了。蒙瓦比西·锡克维耶亚�鲨鱼观察者组织（SharkSpotters）

South Africa 's great white sharks – the stuff of nightmares and of nature documentaries – have gone mysteriously missing .

一条鲨鱼把鳍露出海面游动

A shark was finning around the surface of the ocean .

而这些鲨鱼正是大白鲨的食物之一。

Those sharks formed part of the great whites ' diet .

但其他的鲨鱼侦探认为犯罪现场的真相更复杂。

But other shark detectives see a more complicated crime scene .

浆叶被一条鲨鱼咬掉了。

The blade of the oar was bitten off by a shark .

鲨鱼张开大嘴，塞姆又迅速地逃走了。

The shark opens his big mouth . Sam runs away quickly .

鲨鱼的背鳍被渔夫割了下来。

The shark 's dorsal fin was cut off by the fisherman .

莎拉·沃瑞斯�鲨鱼观察者组织首席执行官

Sarah Warries , CEO , Shark Spotters

鲨鱼也会得癌症。

Sharks can get cancer too .

他称，他曾经在纽约海面上，用鱼叉捕获过一条重达2.000磅的鲨鱼

He said he once harpooned a 2 , 000-pound shark off the coast of New York .