footfall的复数形式怎么写

She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。The Rat's light footfall was presently heard approaching over the parched grass.突然干枯的草地上传来了老鼠轻快的脚步声.They sent a lot of policem...

footfall的近义词/同义词有：step, gait, tread, stride, footstep, plunk, plod, tramp。n.footfall的近义词（脚步）：step, gait, tread, stride, footstep。footfall的近义词（脚步声）：plunk, plod, tramp。...

n.脚步，脚步声...

footfall的音标：footfall的英式发音音标为：['fʊtfɔ:l]footfall的美式发音音标为：['fʊtˌfɔl]...