At this age the pup's senses are now being stimulated and the pup will forever be influenced by the images formed in his mind.
At this age the pup's senses are now being stimulated and the pup will forever be influenced by the images formed in his mind.
18天：在这段时间幼犬的感官开始受到激发，在幼犬头脑中所形成的印象将影响他的一生。