It's this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.
马萨诸塞州塞勒姆大学的运动科学助理教授贾克琳·诺伯格说，正是这种奇特的形式使竞走成为一项有吸引力的活动。
Another study at Kent State University, Salem, measured the effect.
另一项研究来自美国肯特州立大学的赛勒学院，该研究检测了感谢行为带来的影响。
Another study at Kent State University, Salem, measured the effect.
另一项研究来自美国肯特州立大学的赛勒学院，该研究检测了感谢行为带来的影响。
应用推荐