roll-up screen卷式银幕
Custom Roll-up自订积存
roll-up spring卷簧
Roll- up向上汇总
Roll-Up Reporting汇总报告
roll-up structure旋卷构造;包卷构造
roll-up window卷帘窗
Roll Sleeves Up准备做艰苦的工作
roll-up hatchcover滚转式舱盖
PHRASAL VERB（动词词组） If you roll up your sleeves or pant legs, you fold the ends back several times, making them shorter. 卷起 (袖子或裤腿)
The jacket was too big for him so he rolled up the cuffs.
这件夹克对他来说太大了，所以他卷起了袖口。
PHRASAL VERB（动词词组） If people roll up somewhere, they arrive there, especially in a car and often late. (尤指开车晚点) 到达 [非正式]
They eventually rolled up two hours late.
他们最终晚来了两小时。
（） → see also roll