HSK 7-9
火花
huǒhuā名
spark; sparkle
两块石头碰撞冒出火花。
Liǎng kuài shí tou pèng zhuàng mào chū huǒ huā.
Sparks flew when the two stones struck each other.
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Appears across levels (7-9) in the HSK 3.0 word list.