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When the flash tube is triggered, light from it penetrates the ruby.
当打开闪光灯时，它所发出的亮光穿透红宝石。
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The modelling light is triggered with the manual firing button .
模特儿'闪光以手动引闪按键启用。
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The modelling light is triggered with the manual firing button .
模特儿'闪光以手动引闪按键启用。
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