整整

The kind and weight of the ball you are going to use also affect the amount of friction between the ball and the lane.

种类和重量的球，您要使用，也会影响金额之间的摩擦球和里。

As well-knowto all,the coffer is the usual commodity of people's life.

随着电子技术的不断发展，电子产品已涉及到生活中的方方面面。