| 单词 | roll back |
| 释义 | roll back[phrasal verb] 1 roll back (something) or roll (something) back chiefly US : to reduce (something, such as a price)减少，降低（价格等）
2 : to change (something) back to the way it was at an earlier time : to reverse or undo (something)收回；撤销
⇒ Main Entry: 1 roll |
| 随便看 |
英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。