词语:跑光 拼音:pǎo ɡuānɡ注音:ㄆㄠˇ ㄍㄨㄤ简拼:PG
[sensitive materials are sensitive to light because lacking of stealing airtight] 胶片、感光纸等感光材料因封闭不严而感光
谓胶片、感光纸等感光材料因封闭不严而感光。