英语翻译海豚 Delphinidae;dolphin海豚属于哺乳纲、鲸目、齿鲸亚目,海豚科,通称海豚,是体型较小的鲸类,共有近62种,分布于世界各大洋.体长1.4.2米,体重23～225千克.海豚一般嘴尖,上下颌各有约101

英语翻译海豚 Delphinidae;dolphin海豚属于哺乳纲、鲸目、齿鲸亚目,海豚科,通称海豚,是体型较小的鲸类,共有近62种,分布于世界各大洋.体长1.4.2米,体重23～225千克.海豚一般嘴尖,上下颌各有约101
英语翻译
海豚 Delphinidae;dolphin
海豚属于哺乳纲、鲸目、齿鲸亚目,海豚科,通称海豚,是体型较小的鲸类,共有近62种,分布于
世界各大洋.体长1.4.2米,体重23～225千克.海豚一般嘴尖,上下颌各有约101颗尖细的牙齿,主
要以小鱼、乌贼、虾、蟹为食.海豚喜欢过“集体”生活,少则几头,多则几百头.海豚是一种本领超
群、聪明伶俐的海中哺乳动物.经过训练,就能打乒乓球、跳火圈等.除人以外,海豚的大脑是动物中
最发达的.人的大脑占本人体重的百分之二点一,海豚的大脑占它体重的1.7‰.海豚的大脑由完全隔开
的两部分组成,当其中一部分工作时,另一部分充分休息,因此,海豚可终生不眠.海豚是靠回声定位
来判断目标的海豚的演化海豚,还有鲸与鼠海豚,是由陆生哺乳类演化而成的.据信应为类似偶蹄目的
种类.现在的海豚骨骼中,位於骨盆处有两只棒状的骨头被认为是退化的后肢.它们约在5000万年前回
到海中生活.详见鲸类的演化一条.
所有海豚科成员
用英语来翻译。

英语翻译海豚 Delphinidae;dolphin海豚属于哺乳纲、鲸目、齿鲸亚目,海豚科,通称海豚,是体型较小的鲸类,共有近62种,分布于世界各大洋.体长1.4.2米,体重23～225千克.海豚一般嘴尖,上下颌各有约101
MAMMALIA belong to dolphins, cetaceans, whale tooth suborder, Dolphin Branch, commonly known as dolphins, whales are smaller, a total of nearly 62 kinds, the distribution of the world's oceans. Body length 1.2 to 4.2 meters and weighing 23 to 225 kilograms. Dolphingeneral, lower jaw on the taper of about 101 teeth, mainly on small fish, squid, shrimp, crabs for food. Dolphin enjoy the "collective" life, at least a few head, while many hundreds of head. Dolphin is a kind of ability Chaoqun, bright sea mammals. After training, you can play table tennis, jumping, such as Ring of Fire. In addition to people outside the dolphin brain are the most developed animals. Human brain account for 2.1 percent of my weight, it accounts for dolphin brain weight of 1.7 ‰. Dolphin completely separated from the brain of two parts, when part of one of the work, another part of the full rest, therefore, can be life-long dolphin does not sleep. Echolocation by dolphins to determine the objectives of the evolution of dolphins dolphins, there are whales and porpoises, are evolved from terrestrial mammals of. It is believed to be for similar types of cloven-hoofed purpose.Now dolphin bones, located in the pelvic Department has two rod-like bone is considered the degradation of the hind limbs. They are about 5000 million years ago to return to the sea life. See the evolution of a whale. All member dolphin Branch