treadn.步法;踏面;胎面花纹;鞋底v.踩;行走;践踏;(鸟类)交配
tread pattern胎面花纹
tread profile胎面外形
treadle pedal踏板
treadle drive足踏传动,踏板驱动
Tread braking踏面制动
tread lightlyvi.轻轻地走(小心处理)
treadle lathe脚踏车床
tread of tyre胎冠
tread-board踏板
tread tractor大型拖拉机