- roll up
 - 卷起;滚滚上升;到达;出现;积累成;迫敌退向中央
 
参考例子
           - 1.He rolled up the map and put it on the desk.
 - 他把地图卷起来放在写字台上。
 
- 2.Please roll up your sleeve.
 - 请把你的袖子卷起来。
 
- 3.Roll up those sleeves and start moving!
 - 卷起袖子开始挪动家具吧!
 
英文解释
           - v.
 - 1.form into a cylinder by rolling
 - 2.get or gather together
 - 3.arrive in a vehicle:
 - 4.make into a bundle
 - 5.form a cylinder by rolling
 - 6.show certain properties when being rolled
 
网络释义
               - roll up
 - 卷起; 上滚; (烟雾)袅袅上升; 卷起来;
 
- cost roll-up
 - 成本滚动计算法;
 
- roll-up screen
 - 卷式银幕,卷式银幕;
 
- roll-up structure
 - 旋卷构造;
 
- roll-up support
 - 翻身垫墩;