roll on/roll off

China pulled off a diplomatic triumph on Friday, turning the Olympic opening ceremony from the low-key political event it has traditionally been into a spectacular visual display attended by a roll call of world leaders.

中国周五取得了外交上的胜利，将奥运会开幕式从传统上低调的政治场合，变成了一场世界政要云集的视觉盛宴。

You can quickly roll off some extra copies of the document on the duplicating machine.

你可以在复印机上把这个文件另外复印几份.

You can quickly roll off some extra copies of the exercise on the duplicating machine.

你可以在复印机上很快再复印几份练习题.

a roll-on roll-off car ferry

汽车可直接上下的渡船

An investigation is made of flake off features on back up roll of both tandem mill and HC mill in the Cold Strip Rolling Mill Plant.

对武钢冷轧厂冷连轧机和HC轧机支承辊剥落特征的研究表明，冷连轧机支承辊剥落类型有深层次剥落和辊面型剥落两种；

You can quickly roll off some extra copies of the document on the duplicator.

你可以用复印机把这个文件额外复印几份.

Hull Lines and Propulsion System of Medium and Large RORO Ships Research on key technology of minitype vehicle/ passenger roll on-roll off ship general design

中大型客滚船的线型与推进系统研究小型车/客滚装船总体设计关键技术研究

Another theory claims that because wombats tend to use their poop to mark their territory on rocks and logs, the cubical shape of the excrement ensures that it won't simply roll off.

另一种理论指出，因为袋熊倾向于在石头和原木上用自己的便便来划分彼此的领地，立方体形状的便便不会从石头和原木上滚下去。