Bengal light
短语蓝烟火光；孟加拉烟火；信号烟火（等于Bengal fire）
词形变化
Bengal lights
复数
Bengal lights
别名
Bengola light
释义与例句
n.
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1.
A bright blue flare prepared from niter, sulphur, and the black sulphide of antimony; formerly used in signalling, but now chiefly as fireworks.