1 PHRASAL VERB 逐渐减少;逐步结束 To roll back a change or the power of something means to gradually reduce it or end it. 逐渐减少;逐步结束 [Also VERB n PREPOSITION]
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Environmentalists regard these moves as the government taking advantage of the national mood to roll back protective measures. [VERB PREP. noun]
环保主义者认为这些是政府利用国民情绪来减少保护措施的举措。
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Most major political reforms of the past five years would be rolled back. [VERB PREP. noun (not pronoun)]
过去5年中的大多数重大政治改革都将偃旗息鼓。
3 PHRASAL VERB 降低,削减(价格、税收、收益等) To roll back prices, taxes, or benefits means to reduce them. 降低,削减(价格、税收、收益等) [mainly US]