单词：footfall
音标：['futfɒ:l] ；
n. 脚声, 踏步, 脚步
n. the sound of a step of someone walking
词型变化：名词复数形式 : footfalls
词性分布：
footfall的用法和样例：
例句
用作名词(n.)
- As soon as I heard the footfall I knew it was her.我一听见脚步声就知道是她。
- Presently her footfall die out as she descend to the lower floor.当她下到下一层楼时,她的脚步声不久就消失了。
