左撇子和右撇子

俊金:and use his left hand to shield himself a left hand person would love his right hand

俊金:last thing one person is six left handed no one is sure why so many people are right handed it's possible that it goes back to persons who lived during the days of the cave man a person who was born in right handed

俊金:but sometimes the right side of the brain is better than the person's hand

俊金:and the left half of the brain controlled the right side of the body in most people thelleft side of the brain is better so the right hand is stronger than the left hand

俊金:the right hand of the brain controlled right side of the body

俊金:left handed and right handed

忆回:字幕更好😊