depth of field的用法和樣例：
例句
- Depthcueing is a means by which objects deeper in the field of view appear dimmer.
借助景深效果，視野中較深的對象顯得暗淡。 - We've got a little more depth of fi eld by selecting a smaller aperture, but without exposure compensation the metering exposes for the darker background.
通過(guò)選擇小光圈增加了景深，但沒(méi)有曝光補償的話(huà)，測光表將為較暗的背景曝光。
