Conclusion The degree of liver damage in each group obviously increases with steel ballweight.
结论各组大鼠肝脏损伤程度随钢球质量的增加而加重，分级明显。
2
The weight of the ball causes the dragon's head to move down and the dragon's tail pulls the water bowl back up.
球的重量使龙头向下移动，龙尾将水碗拉起来。
3
Factors like the tighter wound ball, smaller ballparks, the expansion of the league, uniformed strike zones, and state of the art weight training all contributed to the rise in runs per game.