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新东方-柯林斯雅思备考词典
reversal
英 [rɪˈvɜːsəl]
[NOUN]
reversals
1. [C 可数名词] 彻底改变 , 逆转
A reversal of a process, policy, or trend is a complete change in it.
双语例句
例：The paper says the move represents a complete reversal of previous US policy.
报上说这一举动反映了之前美国政策的彻底逆转。
例：This marked a 7 increase on the previous year and the reversal of a steady five-year downward trend.
这标志着在前一年基础上7的增幅和对五年来持续下滑趋势的逆转。
2. [C 可数名词] （位置或功能的）转变
When there is a role reversal or a reversal of roles, two people or groups exchange their positions or functions.
双语例句
例：When children end up taking care of their parents, it is a strange role reversal indeed.
孩子们最终会照看起父母来，这确实是一个奇怪的角色转变。