powder keg
短语炸药桶；易爆炸的危险物；金属制小型火药桶
发音
AU
词形变化
powder kegs
复数
powder kegs
别名
powderkeg
释义与例句
n.
-
1.
A barrel containing gunpowder.
火药桶
-
2.
An explosive or otherwise volatile situation.
火药桶
比喻powder keg of Europe (term describing the unstable state of the Balkans before World War I)