例句與造句

1. The stone is made of an irregular slab of slate.
2. The part of the left lateral wall is a thicker, broader and irregular slab, seemingly primitive in origin.
3. The salt is cut into irregular slabs that are around 110 cm x 45 cm by 5 cm in thickness and weigh around 30 kg.
4. A "'coal ball "'is a type of concretion, varying in shape from an imperfect sphere to a flat-lying, irregular slab.
5. It's difficult to find irregular slab in a sentence. 用irregular slab造句挺難的