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关于鲨鱼的小学生英语作文
鲨鱼属于脊椎动物门软骨纲(Chondrichthyes)板鳃亚纲，海生，少数种类进入淡水，为一群游速快的中大型海洋鱼类。以下是***整理的《关于鲨鱼的小学生英语作文》，希望帮助到您。
【篇一】
A new highperformance swimsuit,developed by mimicking the skin of sharks,will be worn by top athletes in Athens from this week.
The revolutionary new fabric,developed by Speedo,is the result of four years of research and development that began with the study of shark skin at the Natural History Museum .
The new swimsuit,called Fastskin FSII,increases a swimmer's speed by reducing passive drag through water by up to 4% more than the next best swimsuit.
Research into shark skin texture and movement through water was carried out under the guidance of Natural History Museum fish expert Ollie Crimmen.
Tiny 'teeth' cover the surface of a shark's skin and the shape and positioning of these 'teeth' vary across the body to manage the flow of water.
With these findings Speedo created a full 'bodyskin' with different fabrics on different parts of the body and for the first time,male and femalespecific and strokespecific swimsuits.
【篇二】
When did this old story come from? When did it happen? Whether could be explained as a real one or just a legend? Who knows.
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Sadness blooming, the old captain sat along the shore, his feet touching the chill seawater, however it can't match the chilling factor in his heart. Whatever, this damned