n.步法；踏面；胎面花纹；鞋底
v.踩；行走；践踏；(鸟类)交配
We heard his heavy tread on the staircase. 我们听到了他走在楼梯上沉重的脚步声。
Check your tire pressure and tread. 经常检查轮胎气压和胎面。
Driving with worn tread(s) can be dangerous. 轮胎胎面磨损的汽车开著有危险。
A solid tread pattern means you stick to the road. 坚固的胎面花纹意味着你可以紧紧抓住路面。
There's no tread on this tyre, you should put on a new one. 这轮胎胎面花纹已被磨平，你应该换一个新的。
The outsole is where the boot meets the trail, available in different compositions of rubber with various tread patterns. 鞋跟是靴子接触道路的地方，可采用不同成分的橡胶和多种鞋底花纹。
用作动词 (v.)The cattle had trodden a path to the pond. 牛群踩出了一条通往池塘的小径。
I don't want to tread on anybody's toes so I won't say what I think. 我谁也不想得罪，所以我不把想法说出来。
She tread lightly so as not to wake the baby. 她步子很轻，以免惊醒孩子。
Every day the children tread the same path through the woods. 孩子们每天都走林中的同一条路。
The boys tread on the newly planted flowers. 那些男孩子践踏了新种的花。
This is sanctified ground, and we may not tread upon it. 这是圣地，我们不可践踏。
Male birds tread the females. 雄鸟与雌鸟交尾。
