rolling slab

例句：

1. 1. The car wasparked on the rolling slabof asphalt.
   汽车停在了铺着沥青的平整石板上。
2. 2. The workers werebusy rolling the slab for theconstruction site.
   工人们忙于为建筑工地铺设石板。
3. 3. The engineer carefully rolled the slab to ensure its smoothness.
   工程师小心翼翼地滚动石板，确保其平滑。