Flat: (1)Assemble of film negatives or positives on a carrier sheet ready for printing down.(2)Refers to a lack of contrast and definition of detail.是什么意思_Flat: (1)Assemble of film negatives or positives on a carrier sheet ready for printing down.(2)Refers to a lack of contrast and definition of detail.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句