gunpowder
US /ˈɡʌnˌpaʊ.dɚ/
UK /ˈɡʌnˌpaʊ.dər/
名词
火药
an explosive mixture of saltpeter, sulfur, and charcoal, used since the 14th century as a propellant in firearms and for blasting.
示例:
•
The ancient Chinese invented gunpowder.
古代中国人发明了火药。
•
The rebels used gunpowder to blow up the bridge.
叛军用火药炸毁了桥梁。
同义词: