They found that when runners lace up their shmancy sneakers and take off, about 75 to 80 percent land heel-first.
研究者们发现，当跑步者穿上新奇时髦的跑鞋起跑后，大约75---80%的人脚后跟先着地。
youdao
应用推荐
模块上移
模块下移
不移动