tread

/tred/

名词

（车胎的防滑）胎面花纹
The tread on your tyres is very worn.
你车胎上的花纹都磨损得很厉害了。
脚步声
Then I heard someone's tread on the stairs.
接着我听到楼梯上有脚步声。

/tred/

动词

踩；踏
Yuck! Look what I've just trodden in!
可恶！看我刚才踩到什么了！

想跟读，去练习