[ U ] the quality of being thick厚;粗
The thickness of the mulch will prevent weeds from growing around the shrubs.厚厚的覆盖物会防止灌木周围长出杂草。
Just feel the thickness of this carpet!来摸摸这地毯有多厚!
[ C or U ] the distance between the opposite sides of something厚度
How do you measure the thickness of paper?你怎样测量纸张的厚度?
Look at the thickness of that tree trunk.看一下那个树干的厚度。
[ C ] a layer of something一层东西
Put several thicknesses of newspaper on the table before you start painting.在你开始画画之前,先在桌上铺几层报纸。