a slab of rock/marble 大块石板/大理石
a concrete/stone slab 混凝土板/石板
a slab of meat/butter/chocolate 大块肉/黄油/巧克力
A man was eating a huge slab of pizza. 一个男人正在吃一块硕大的比萨饼。
The body lay on the slab. 尸体放在停尸台上。