狼崽的重量是多少?
幼狼喜欢玩耍。
This sounds terrible to us, but Wolf pups love it!
这在我们看来很可怕,但是狼宝宝非常喜欢!
Gray and red Wolf pups weigh about a pound at birth.
灰狼和红狼在出生时一般在一磅重左右。
The duo also used the Wolf pups' dog companions as demonstrators, giving the dogs verbal commands to focus on the other side of the wall.
两位研究者同时还用狼崽的狗伙伴作示范,命令这些狗注视着墙后面。
Wolf pups are shy and timid, and I didn't have much hope of luring them outside.
小狼生性胆怯,对于把它们诱出洞来,我不抱多大希望。
Like trainers raising dog puppies, the scientists gave the Wolf pups intensive obedience training, teaching them to sit, lie down, roll over, and look into a person's eyes.
就像训犬师训练小狗崽一样,科学家对小狼崽进行了强化口令训练,教它们坐下、躺下、打滚以及注视人类的眼睛。
In a second experiment, the researchers tested the Wolf pups to determine whether they would follow the gaze of a person as she stood staring at a spot on the other side of a low wall.
在第二项实验中,研究者们希望了解当人的注视点在一堵矮墙后面时,狼崽是否还会追随人的视线。
In a second experiment, the researchers tested the Wolf pups to determine whether they would follow the gaze of a person as she stood staring at a spot on the other side of a low wall.
在第二项实验中,研究者们希望了解当人的注视点在一堵矮墙后面时,狼崽是否还会追随人的视线。
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