shutter speed
US /ˈʃʌt̬.ɚ ˌspiːd/
UK /ˈʃʌt̬.ɚ ˌspiːd/
1.
快門速度
the length of time that a camera's shutter is open when taking a photograph, which determines how much light reaches the sensor or film
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A fast shutter speed is essential for freezing motion in sports photography.
在體育攝影中，快速的快門速度對於定格運動至關重要。
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For low-light conditions, you might need a slower shutter speed.
在弱光條件下，您可能需要較慢的快門速度。