Dog lovers are well aware of the abilityof a dog to communicate with its eyes. Now, scientific research suggests thisability developed over time as dogs learned to live with humans. 爱狗一族非常清楚狗狗用眼神进行交流的能力。现在,科学研究指出,在狗狗学习与人类共同生活期间,这种能力也在随着时间的推...
ascendedwhentheygotbacktogetherwiththefamiliarhumanandnotwithastranger.Whentheyaddedoxytocintothedogs'eyes,theirtearvolumealsorose.Thatfindingsupportstheideathatoxytocinplaysaroleintearproductionwhendogsandtheirownersgetbacktogether.Theyalsoaskedpeopletoratepicturesofdogs'faceswithandwithoutartificialtearsinthem,andit...
Dogs like living with people. A dog can be a verygood friend. He can do a lot of things for people. Somedogs help people to look after sheep(羊). Other dogs helpthem to find lost children. And some of the dogs can helpthe blind(盲人)do things.Many years ago there was a very go...
根据第一段Dog lovers are well aware of the ability of a dog to communicate with its eyes.Now,scientific research suggests this ability developed over time as dogs learmed to live with humans.(爱狗人士很清楚狗狗用眼睛交流的能力。现在,科学研究表明,这种能力是随着狗学习与人...
Centuries of domestication have unintentionally yet radically reshaped dogs' eyebrow anatomy, making their faces easily readable to people.
阅读表达Dogs like living with people. They are very friendly. ①They can take care of sheep andcattle. They can (A)guard a house in the evening. Some dogs help people hunt wild birds. They can warnpeople of danger and help blind people by being their eyes. In some cold countries, dog...
Brian Hare, fromAmerica’s Duke University, edited the study. He called the findings “profound”for showing that these muscles likely developed to help in their interactionswith people. “The proof has been in their puppy dog eyes all this time,” Haresaid. ...
根据第一段第二行Some dogs help people to look after sheep; other dogs help people to find lost children. And some of the dogs can help the blind to get to some places safely(有些狗帮助人们照看羊群,有些狗则帮助人们寻找猎物。失去了孩子。一些狗可以帮助盲人安全到达一些地方)有些狗可以帮助...
The commonality of facial expressions of emotion has been studied in different species since Darwin, with most of the research focusing on closely related primate species. However, it is unclear to what extent there exists common facial expression in species more phylogenetically distant, but sharing...
In Britain,guide dogs are the "eyes" for many blind people.At first,Lucy went to a woman's home when she was three months old .For nine months , woman trained her to walk,sit,stop and lie down. When Lucy was one year old ,she went to a special school for dogs. It was on a ...