tread
英 [tred]美[trɛd]
- n. 踏;胎面;步态;鞋底;踏板;梯级
- vt. 踏;踩;践踏;跳;踩出
- vi. 踏;踩;行走;交尾
英英释意
- 1. a step in walking or running
- 2. the grooved surface of a pneumatic tire
- 3. the part (as of a wheel or shoe) that makes contact with the ground
- 4. structural member consisting of the horizontal part of a stair or step