范文一

　　The dog quickly became ubiquitous across culture across the world, and was extremely valuable to early human settlements. For instance, it is believed that the successful emigration across the Bering Strait might not have been possible without sled dogs. Dogs perform many roles for people, such as hunting, herding, protection, assisting police and military, companionship, and, more recently, aiding handicapped individuals. This versatility, more than almost any other known animal, has given them the nickname "Man's best friend" in the western world. Currently, there are estimated to be 400 million dogs in the world.

　　譯文

　　狗很快就在世界各地文化無處不在,早期人類定居點,是非常寶貴的。例如,相信成功移民跨越白令海峽可能不可能沒有雪橇狗。狗執行許多角色的人,如狩獵、放牧,保護,協助警察和軍隊,陪伴,,最近,幫助殘疾的人。這種多功能性,超過任何其他已知的動物,給了他們的綽號“人類最好的朋友”在西方世界。目前,世界上大約有4億只狗。

　　范文二

　　Dogs usually refers to the dogs, also known as dogs, a common canine mammals, is a close relative of the wolf. Often referred to as human best friend is also the highest rate of keeping pets. His life was about ten - more than three decades, in the absence of an accident, the average life span of small dogs to be longer.

　　譯文

　　狗通常指的是狗,也被稱為狗,一種常見的犬類哺乳動物,是狼的近親。通常被認為是人類最好的朋友也養寵物的最高水平。他的一生是大約10 - 30多年,在沒有意外的情況下,小型犬的平均壽命更長。