焰火发射的那一刻就可以按下快门，一直按住不放，直到你要拍摄的焰火完全熄灭，这个过程一般会持续几秒种 。
Hit the shutter as the firework is launching and hold it down until the burst has faded, typically a few seconds.
焰火发射的那一刻就可以按下快门，一直按住不放，直到你要拍摄的焰火完全熄灭，这个过程一般会持续几秒种 。
Hit the shutter as the firework is launching and hold it down until the burst has faded, typically a few seconds.
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