跑步用英语表示为run， march at the double。run的意思有：跑，移动，（使）流动。奔跑。行程，放映期，一系列融化的，浇铸的，跑的筋疲力尽的。
run的用法：
1、I excused myself and ran back to the telephone.
我说了声抱歉，跑回到电话机旁。
2、The owner insisted on Cool Ground running in the Gold Cup .
主人坚持要让“酷地”参加金杯赛马会。
3、The hallway ran the length of the villa.
走廊贯穿了整个别墅。
4、Our host ran a long extension cord out from the house and set up a screen and a projector.
我们的主人从房里牵出一根延长电线，架起屏幕和投影仪。
5、He laughed and ran his fingers through his hair .
他笑了，用手指拢了拢他的头发。
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