adj.用坏的,穿坏的;用旧的,穿旧的;疲惫不堪的;
英文例句/中文翻译:
Notice how the tread on this tyre has worn down.
注意这个轮胎的花纹磨损的程度。
The outside corner of the book was worn down.
这本书外面的边角都磨损了.
If the brake pads are worn down they must be replaced.
如果刹车片磨损,必须更换它们.