有关鲨鱼的介绍 （用英语）
问题描述：
有关鲨鱼的介绍 （用英语）
要用英语,字数不超过100,急用!
答
Sharks (superorder Selachimorpha) are fish with a full cartilaginous skeleton[1] and a streamlined body.They respire with the use of five to seven gill slits.Sharks have a covering of dermal denticles...