numeral roll的用法和樣例：
例句
- The paint will go much further if you roll it on instead of using a brush.
如果刷油漆用滾筒而不用刷子，那么刷出的面積要大得多。 - When in the SAF-t in parts of coloured ink, swivel hinge-drum, view the SAF-t and the hinge-clip roll coloring.
調整時(shí)，在折刀的刀刃部位涂上油墨，轉動(dòng)折頁(yè)滾筒，查看折刀和折頁(yè)夾輥的著(zhù)色情況。
