Why can dogs understand human speech

Dogs can understand human speech mainly because dogs rely on the tone of voice, voice height and body language to make judgments when the master speaks, they can understand some specific language commands meaning, is accumulated through long-term training and training, just like a newborn baby guidance to learn language, through long-term accumulation, you can let the dog master certain language commands, so as to understand the meaning of what the master said. When the dog is still a puppy, give it a name and call it constantly, at first it may not get used to it, but after time, it will slowly adapt to the title, and when the owner calls it, it will know that it is calling it. When the dog is still a puppy, through the method of induction or hint, to give it instructions to return to their kennel or other, in the long run, the dog to a certain time will be their own good back to the kennel inside rest. Through these methods, training the dog, the dog will become better and better behaved.