犬类必须接种疫苗以防犬热病。
汉德斯洞穴骨骼属于进化枝1，只属于现代和古代犬类。
The Hinds Cave bone fell into Clade 1, a group belonging solely to modern and ancient dogs.
“犬类当中似乎并没有任何社会学习，”Tennie说。
"There doesn't seem to be any social learning in dogs," said Tennie.
但德国的一项新研究得出结论，犬类无法真正辨别理性与否。
But new research from Germany concludes that dogs don't really pick up on rationality.
而梅德福教授认为这些植物的侦查能力类似于，甚至高于犬类的侦查能力。
The detection abilities of these plants are similar to or better than those of dogs, Professor Medford said.
我国目前尚未开展向犬类训导人员及相关培训学校颁发授权证书的工作。
China is not yet set up to confer certificates to dog trainers or a school to train them.
没有任何书是关于几天学习贝多芬或量子物理的，甚至连犬类装扮都没有。
There are no books on how to learn Beethoven, or Quantum Physics, or even Dog Grooming in a few days. Felleisen et al.
他们说Google对于我们犬类朋友的喜爱，是构成我们公司整体文化所必需的。
They said that Google's affection for our canine friends is an integral facet of our corporate culture.
但最新的这些信息帮助解开了犬类捕猎动物在严酷的冬天时节，如何在北极存活下来的谜题。
But this new information helps solve the mystery of what the canine predators do to survive the brutal Arctic winter.
据美国犬舍俱乐部akc介绍，此犬种的嗅觉是犬类里的佼佼者，不是听觉哦。用做狩猎犬。
According the the American Kennel Club, the basset hound is noted for its exceptional sense of smell — not it's hearing — and was bred as a hunting dog.
人类实验中的毛毯的等效物是狗嘴中叼的球，旁观者可以看得见(犬类往往用嘴来操纵物品)。
The equivalent of a blanket in the human experiment was a ball held in the mouth of a dog which was being observed (dogs often use their mouths to manipulate things).
当我们抵达大楼入口处时，传来了门卫严厉的声音：“除导盲犬外，任何犬类不得进入大楼。”
We approach the grand entrance. "No dogs allowed in the building.
2008年，“乌诺”成为首支赢得西敏寺犬展桂冠的比格犬，这相当于犬类赛事中的奥林匹克。
In 2008, Uno the beagle became the first of his breed to win the Westminster Dog Show, the canine equivalent of the Olympics.
在电影地狱神探中，杜迪把自己送到了地狱，这里有许多古怪的连带的动物在他周围，（就像犬类）。。
There were oddly jointly creatures walking around (somewhat like a canine)....
早在2010年伊初， 2,800个它们的身影在美军的军营中活跃（这是世界最大的犬类军团）。
S. efforts in Iraq and Afghanistan -- as of early 2010 the U. S. Army had 2,800 active-duty dogs deployed (the largest canine contingent in the world).
大约10000-12000年前，原始犬类远居于人类居住地，清除残羹、粪便和其他的人类垃圾。
Proto-dogs scavenged around the outskirts of human settlements about 10, 000 to 12, 000 years ago, removing food scraps, feces, and other human waste.
他的团队已经尝试在犬类中寻找类似的行为——例如狗能否通过观察学会和人一起玩球——但没有发现。
His team have tried to find such behavior in dogs — like whether a dog can learn a dog-human ball game by watching — but found none.
人类的嗅觉和听觉功能大部分退化，因为这两个功能是狗的强项，人类逐步依赖犬类灵敏的鼻子和耳朵。
The human lost much of its olfactory and aural capabilities, according to Grandin, because these were dogs' greatest strengths. Humans came to rely on the canine nose and ears.
MIT土木与环境工程系的一份报告中写道：“和犬类不同，猫类从来就不把舌头卷成勺状伸到水里。”
"Cats, unlike dogs, aren't dipping their tongues into the liquid like ladles after all, " read a statement from the MIT Department of Civil and Environmental Engineering.
科学家认为犬类能够闻出他人的病症是因其继承了狼类的净化血统，狼族需要能够嗅出其种群中是否有伤病员。
Scientists believe that dogs can sense disease in others because of their evolutionary origin as wolves, who needed to be able to detect when someone in the pack was hurt or sick.
比如，他们饲养犬类，从卷毛到大丹，他们种植玫瑰，从散发出甜美气味的小玩意到今天能长期保鲜且无气味的大红。
For example, they produced dogs ranging from poodles to Great Danes, and roses from sweet-smelling miniatures to today's long-lasting, but scent-free reds.
狗舍犬类超过10只，经营者必须提供充足的食物和清洁的水、兽医、常规检查以及在繁育周期内为犬类提供充足的休息。
Breeders with more than ten will have to provide sufficient food and clean water, veterinary care, regular exercise and adequate rest between breeding cycles.
另一位专家在接受公共广播公司采访时说：“很多人不明白，在人类文化和文明的演化过程中，犬类起了多么重要的作用。”
"Another expert interviewed in the PBS program says," I don't think people realize how much having dogs around has affected the evolution of human culture and civilization.
另一位专家在接受公共广播公司采访时说：“很多人不明白，在人类文化和文明的演化过程中，犬类起了多么重要的作用。”
"Another expert interviewed in the PBS program says," I don't think people realize how much having dogs around has affected the evolution of human culture and civilization.
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