treadn.步法;踏面;胎面花纹;鞋底v.踩;行走;践踏;(鸟类)交配
tread revision踏面修正
treadle hammer踏锤
tread shoulder胎肩
tread the deck上船
tread wrapping胎面缠绕
tread compound[化] 胎面胶
treading water踩水
tread-softlyn.刺叶草
tread patterns花纹
tread arc width胎面弧宽