treadn.步法;踏面;胎面花纹;鞋底v.踩;行走;践踏;(鸟类)交配
Tread softly.脚步放轻些。
treaded by acid酸处理
Treadwear Grade胎面磨损级
tread thickness胎冠厚度,胎面厚度
tread mils test跑台试验
treadle-pressn.脚踏印刷机
tread concavity胎面压扁
tread a path.踩出一条路
treadway bridge双车道浮桥
tread the stagevi.上舞台(当演员)