To take a picture, press both shutter buttons at the same time.
拍照时同时按下两个相机的快门。
This length of time is called the shutter speed.
打开时间的长短就是快门速度。
So every time you say YES they need to push the shutter button.
就这样每次你说“YES”时他都按下快门。
For the same reason, every time I found a different excuse to press the shutter.
因为同一个理由，我找到不同的借口，按下了每一次快门。
Before pressing the shutter, take your time and scan the scene through your viewfinder.
在按快门前，先别急，花些时间通过取景器看看场景。
Before pressing the shutter, take your time and scan the scene through your viewfinder.
在按快门前，先别急，花些时间通过取景器看看场景。
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