They learn to dramatically exaggerate this cry embedded within the purr because it proves effective in getting their owner to respond .
他们学会大大夸大嵌入咕噜声的叫声,因为对让他们的主人作出回应是有效的。
You can tell if an animal 's greatest fulfillment will be to bark or purr by just looking at its embryo .
我还可以看着某种动物的胚胎告诉你它以后最大的本能是狂吠还是发出咕噜声。
The 12-year-old feline 's owner , ruth adams of pitsford , northampton , approached her local college about borrowing sound equipment needed to record the cat 's purr for guinness .