澳大利亞、新西蘭和南非也有鯊魚襲擊。

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

　　在美國,每年大約有100人受到鯊魚攻擊。

　　Shark attack about 100 people a year in America.

　　鯊魚已經(jīng)存在很長時間了。

　　Sharks have been around for a very long time.

　　例如，如果一條鯊魚停止游動，它就會下沉。

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

　　鯊魚以魚、其他海洋動物或較小的鯊魚為食。

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