negative color film的用法和樣例：
例句
- Color positive emulsions basically perform in the same way that color negatives do.
彩色正片的感光乳劑基本上和彩色負片相同。 - But they have far to go before they match a color negative's ability to lasso photons high and low.
不過(guò)對于彩色負片所能呈現的色調范圍，數位單眼還差的遠呢。 - The camera has already got a roll of color film in it.
這架相機里已經(jīng)裝有一卷彩色底片。
