powder keg
n.
火药桶，火药箱；
变形
复数：powder kegs
英英释义
powder keg
n.
a potentially explosive state
keg (usually made of metal) for gunpowder or blasting powder
权威例句
Powder-kegPowder-keg
POWDERKEG
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1. Unless these questions are solved, the region will remain a powder keg.
除非这些问题得以解决，否则该地区会一直是个火药桶。
《柯林斯英汉双解大词典》
2. The fact that the two vessels did sink is an unalterable fact of history, and while ship design and safety protocols have changed, the powder-keg nature of human behavior is the same as it ever was.
两艘船确实沉没了的事实是不可改变的历史事实，虽然船的设计和安全条款已经改变，但是，人类行为的火药库本质一如既往，没有改变。
youdao
3. What was once a forest becomes a virtual powder keg of untapped fuel.
森林就变成了未开启的虚拟引火气罐。
youdao
4. On the night of 7 September 1776, the Turtle tried to attach a keg of powder to the British ship Eagle. The attempt failed and the powder exploded harmlessly.
1776年九月七日晚，海龟号想把一桶炸药附在英国的苍鹰号上，但不成功，炸药空自爆炸。
youdao
5. On the night of 7 September 1776, the Turtle tried to attach a keg of powder to the British ship Eagle. The attempt failed and the powder exploded harmlessly.
1776年九月七日晚，海龟号想把一桶炸药附在英国的苍鹰号上，但不成功，炸药空自爆炸。
youdao
powder keg
