| 释义 |
DEFINITIVE EXAMPLES 权威例句〔tread〕He walked up the stairs. The treads were covered with a kind of rubber and very quiet.他走上楼梯。梯面上铺了一种橡胶, 踩上去没有声响。外研社新世纪〔tread〕He walked up the stairs. The treads were covered with a kind of rubber and very quiet.他走上楼梯。梯面上铺了一种橡胶，因此没有什么声响。柯林斯高阶 |