upheaval
美 [ʌpˈhiv(ə)l]英 [ʌpˈhiːv(ə)l]
- n.动荡;剧变;激变;动乱
- 网络隆起;大变动;举起
复数:upheavals

upheaval
1.剧变;激变;动乱;动荡a big change that causes a lot of confusion, worry and problems
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