With every stride, runners hittheground with up to five times their body-weight.
赛跑者的每一步都以5倍于他们体重的力量撞击地面。
《柯林斯英汉双解大词典》
2
According to her research, runners hittheground with as much as four times their body weight per step, while race walkers, who do not leave the ground, create only about 1.4 times their body weight with each step.