| 单词 | upheaval |
| 释义 | upheaval upheaval /ʌpˈhiː.vəl/ noun [C or U] ► F0 a great change, especially causing or involving much difficulty, activity, or trouble: » Yesterday's coup brought further upheaval to a country already struggling with famine.» It would cause a tremendous upheaval to install a different computer system.Thesaurus+: ↑Social order and disorder |
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