firework
US /ˈfaɪr.wɝːk/
UK /ˈfaɪr.wɝːk/

1.
烟花, 焰火
a device containing gunpowder and other combustible chemicals, which is ignited to produce a display of light, noise, and smoke
:
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The sky lit up with colorful fireworks.
天空被五彩缤纷的烟花照亮了。
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They set off fireworks to celebrate the New Year.
他们燃放烟花庆祝新年。