pǎoguāng 跑光 拼音 pǎo guāng 注音 ㄆㄠˇ ㄍㄨㄤ 跑光是什么意思？ 词语解释跑光pǎo guāng◎胶片、感光纸等感光材料因封闭不严而感光。英文sensitive materials are sensitive to light because lacking of stealing airtight;