footfall
/ˈfʊtfɔːl/noun
1
- the sound of a footstep or footsteps脚步声, 脚步：
you will recognize his footfall on the stairs.
你将会辨认出他上楼的脚步声。
2
- mass noun the number of people entering a shop or shopping area in a given time（商店或购物区的）客流量。