noun 下载 🔗分享 脚步声 The sound made by a footstep. Examples : "We heard the soft footfalls of someone walking upstairs. " 我们听到了有人轻轻走上楼的脚步声。 sound action human 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 人流量，步行流量 Foot (pedestrian) traffic. Examples : "The footfalls were loud as the children ran to school. " 孩子们跑去上学时，脚步声和人流量都很大。 traffic sound building 与AI对话词汇游戏阅读练习
