roll back

• • (使)滚回；(使)卷起；把…卷起来：

    They rolled back the carpet and had a dance.

    他们把地毯卷起，跳起舞来。

  • (时间)退回到过去；(使)回忆起：

    Standing on the Great Wall,we could feel the centuries roll back.

    站在长城上，我们会感到像回到了几个世纪以前。

  • (使)退却；击退：

    They had rolled back the enemy forces on all fronts.

    他们已将敌军从全线击退。

  • (政府等)把(上涨的物价或增长的工资等)压低到原来(或标准)水平：

    The local government took emergency measures to roll commodity prices back.

    地方政府采取紧急措施使物价回降。

  • (浪、潮等)退落：

    The tide rolls back in the early morning every day.

    海潮每天清晨退落。