1、
A flashbulb located in one end the box emits a burst of light of energy E.
箱内的一端有一盏闪光灯,它射出一个能量为E的闪光.
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2、
A dry-cell powered photographic apparatus that holds and electrically triggers a flashbulb.
闪光枪一种装有并以电引发闪光灯泡的用电池供电的照相器材.
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