tread
/tred/
n. 踏, 步态, 梯级, 交尾, 鞋底
vi. 踏, 行走, 交尾
vt. 踩, 踏, 践踏, 跳(舞)
词形变换
过去式 trod · 过去分词 trodden · 现在分词 treading · 第三人称单数 treads · 复数 treads
英文释义
n. the grooved surface of a pneumatic tire
n. the part (as of a wheel or shoe) that makes contact with the ground
n. structural member consisting of the horizontal part of a stair or step
v. tread or stomp heavily or roughly
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