Noun:

1. rein to direct the horse's head left or right

leading web前腹板leadingadj.领导的；指导的；主要的；在前的leading role in family家庭主导权leading type of market市场主导型leading industly group主导产业群leading by five points以五分领先leading-in conductor引线导体leading industry model主导产业模式leading-in insulator引入绝缘管leading diabolo roller导向凹面镇压轮leading edge detection前沿检测Leading teacher system主讲教师负责制