When I finally opened it, the chocolate had melted into a big slab.

当我最后打开它时，巧克力都化成了一大块。

youdao

Profiled sheeting concrete composite slab has been extensively applied to engineering recently because of its big rigidity, good ductility, ease of construction, and economic returns, etc.

压型钢板-混凝土组合楼板因具有刚度大、延性好、施工方便、经济效益优越等特点，在实际工程中的应用越来越广泛。

youdao

If you're really hungry, I have to suggest the Beef Entrecote, a big, juicy slab of meat accompanied by home-made chips and a small salad.

如果你真的饿了，强烈推荐牛排套餐，一块多汁的大肉排由家常土豆条和小沙拉在旁点缀。

youdao

Neither was as good as my grilled turbot, a big slab of meaty white fish on the bone with sexy black grill marks like a fishnet stocking.

NPR: Excerpt: 'Hungry for Paris'

There was a big slab of concrete.

WSJ: At Least 159 Die in Bangladesh Building Collapse