tready条约treadn.步法；踏面；胎面花纹；鞋底v.踩；行走；践踏；(鸟类)交配tread winding device胎面缠绕机Tread level parallel线程级并行tread wear indicator胎面磨耗指示标记tread patterns noise轮胎花纹噪声tread in one's stepstread contact length轮胎接地长度tread in the steps of仿效； 跟 ... 的脚步走tread-mill for rats鼠用活动地板tread a steady course稳步前进tread on the heels ofvt.紧随之后(接踵而至)