薄：thin

adj.薄的;细的;瘦的;稀少的;稀疏的

厚：thick

adj.厚的;粗的;(询问或说明厚度)有…厚;浓密的;稠密的;茂密的

thin例句：It was crazy of you to go skating on such thin ice.

到这样薄的冰上溜冰，你真是疯了。

thick例句：For breakfast I had a thick slice of bread and syrup

早餐我吃了一片厚厚的涂了糖浆的面包。