tread2 noun 1. [countableC, uncountableU]TTC the pattern of lines on the part of a tyre that touches the road 轮胎胎面花纹 2. [countableC]DH the part of a stair that you put your foot on 〔楼梯的〕梯面,踏步板
3 [singular] literarySOUND the particular sound that someone makes when they walk 脚步声,走路声 I heard the back door bang, and Rex’s tread in the hall. 我听到后门重重关上,然后是雷克斯在门厅里走动的脚步声。