| 释义 |
●ˌroll sth ˈback1. to reduce the amount of influence, power or importance that sth has; to change sth so that it is the opposite of what it was 降低（影响、力量或重要性）；逆转◆They were determined to roll back union power.
他们决心削弱工会的权力。2. to reduce prices, wages, etc. 减低，削减（价格、工资等）◆We must roll back inflation.
我们必须降低通货膨胀。OBJ prices3. to make sth go back or further away 使回复（原貌）；扩大（领域）◆to roll back the frontiers of space / science
拓展太空／科学领域◆The former star rolled back the years with a brilliant performance last night (= he played as he did when he was younger).
这位前巨星昨晚展现了昔日的丰采。OBJ frontiers[v + adv + n] [v + pron + adv] [v + n + adv] (rare) ▸ ˈrollback (of sth) noun 1. (especially NAmE) a reduction or decrease in sth 回降；削减◆a 2% rollback in taxes
减税 2%2. (computing 计算机) a return to the condition that existed before there was an error in a computer system （计算机系统的）还原，恢复 |