tread的中文意思、音标与词形变化

n. 踏, 步态, 梯级, 交尾, 鞋底 vi. 踏, 行走, 交尾 vt. 踩, 踏, 践踏, 跳(舞)

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