| 释义 |
thun·der·cloud AHD[thŭnʹdər-kloud'] D.J.[ˈθʌndəˌklaʊd]K.K.[ˈθʌndɚˌklaʊd]n.（名词）- A large dark cloud charged with electricity and producing thunder and lightning; a cumulonimbus cloud.雷云：大片充满电且能制造雷声和闪电的乌云；积雨云
- Something menacing or dreadful:有威胁性或可怕的东西：thunderclouds of impending war.迫在眉睫的战争雷云
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