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新东方-柯林斯雅思备考词典
widen
英 [ˈwaɪdən]
[VERB]
widens , widening , widened
1. [I 不及物动词] （使）变宽
If you widen something or if it widens, it becomes greater in measurement from one side or edge to the other.
双语例句
例：He had an operation last year to widen a heart artery.
他去年动了一次心脏动脉扩张的手术。
2. [I 不及物动词] 扩大
If you widen something or if it widens, it becomes greater in range or it affects a larger number of people or things.
双语例句
例：US prosecutors have widened a securities-fraud investigation.
美国检察官已经扩大了一起证券欺诈案的调查范围。
3. [I 不及物动词] 拉大（不同或差距）
If a difference or gap widens or if something widens it, it becomes greater.
双语例句
例：Wage differences in the two areas are widening.
两地的工资差距正在拉大。