下载此文档

为什么狗喝水总把水弄得到处都是?.doc


文档分类:幼儿/小学教育 | 页数:约4页 举报非法文档有奖
1/4
下载提示
  • 1.该资料是网友上传的,本站提供全文预览,预览什么样,下载就什么样。
  • 2.下载该文档所得收入归上传者、原创者。
  • 3.下载的文档,不会出现我们的网址水印。
1/4 下载此文档
文档列表 文档介绍
为什么狗喝水总把水弄得到处都是?.doc1 为什么狗喝水总把水弄得到处都是? When my dog drinks from her bowl , there is no question that water will end up on the floor. It seems that my dog is not good at drinking water neatly. 我家的狗在碗里喝水时毫无疑问最后总会将水洒在地板上。看起来我的狗不太擅长整洁地喝水。 Researchers at Virginia Tech Univ ersity have been studying how dogs drink. They say dogs know exactly what they are doing. The animals are actually making precise movements ata high speed. This helps them get the fluid they need when they are thirsty. 弗吉尼亚理工大学的研究者们一直在研究狗是如何喝水的。他们说狗其实很清楚它们自己在做些什么。它们实际上是在以很快的速度做出精准的动作。这能让它们在口渴时喝到它们需要的水。 It turns out that neither dogs , nor cats , have a full set of cheeks. This means they cannot create suction to drink , like humans , elephants or horses. 原来, 狗和猫都没有完整的脸颊。也就是说它们没办法像人类、大象和马那样吮吸饮水。 Do gs take up the water with their tongues curled backward. They move their tongues very quickly to build up momentum1. That forces 2 the water into a column2 and up into their mouths. 狗通过向后卷舌往嘴里送水。它们通过快速移动舌头而形成动力,动力迫使水形成水柱,向上送进嘴里。 The Virginia Tech University ’s researchers filmed 19 dogs of different sizes and breeds as they drank water. They created different laboratory models to measure tongue motion , and the amounts of water taken in. 弗吉尼亚理工大学的研究者们拍摄记录下了 19 只不同体型和不同品种的狗喝水的场景。他们建立了不同的实验模型测量舌头的运动以及取水的量。 Using the data from these experiments , the researchers were able to make a model that shows how a dog drinks water. 根据这些实验得出的数据,研究者们得以建立狗喝

为什么狗喝水总把水弄得到处都是? 来自淘豆网m.daumloan.com转载请标明出处.

相关文档 更多>>
非法内容举报中心
文档信息
  • 页数4
  • 收藏数0 收藏
  • 顶次数0
  • 上传人lxydx666
  • 文件大小105 KB
  • 时间2017-02-18
最近更新