slab
noun [ C ] uk/slæb/ us/slæb/
（石、木、金属、食物等的）板，片
a thick, flat piece of a solid substance, such as stone, wood, metal, food, etc., that is usually square or rectangular
a concrete/marble slab 水泥／大理石板
He ate a whole slab of chocolate. 他吃了一整块巧克力。