1、
Dolphins are very social mammals, as Dave , the Marine Biologist told us.
船上海洋生物学家Dave告诉我们,海豚是非常具有社交能力和喜欢群居的哺乳类动物.
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2、
You are listening to a marine biologist Joe Pawlik at the University of North Carolina, Wilmington.
您正听到的是威明顿市北卡罗来纳大学海洋生物学家乔·鲍里克的声音.
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3、
4、
A large tiger shark will be released this week after a marine biologist deemed the pool too small.
而在本周，一头虎鲨将会放归大海。因为，生物学家认为，这个人工湖太小了。
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