1.Dogs belong to the canine. When a dog follows its nose, it's actually being led by thee key senses. Sight:a glimpse of the enemy saves them barking up the wrong tree. Sound: a bark can be a fierce threat, but it's also how canines make their long distance calls. Smell: this tells a dog
more than all the other senses put together. Inside its nose are around two hundred million smell sensitive cells, forty times more than in humans.意思是狗属于
犬科。当一只狗跟着它的鼻子，它实际上是由你的LED关键感官。视力：瞥一眼就知道敌人找错人了。声音：树皮可以是一个激烈的威胁，但它也有尖牙使他们的长途电话。气味：这告诉狗比其他所有的感觉放在一起。在它的鼻子是二亿左右的嗅觉细胞比人多四十倍。