实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
按下快门往往会让第一张照片不够清晰，但是第二第三张就会好很多，要么就是其中一张幸运地是在没有抖动的情况下拍摄的。 拍摄移动的物体时，连拍能让你有机会拍出清晰的照片。
The motion of pushing the shutter often blurs the first frame but the second and third frames are much sharper.
最终，当规定的时间都快耗尽时，那期盼已久的光芒照亮了整个山谷，我迅速的按下尼康相机的快门，它所发出的声音，在整个山谷中不断回响。
Finally, as our time on the island was running out, the longed-for light swept across the valley and the chatter of my Nikon motor drive echoed off the hills.
拍照时同时按下两个相机的快门。
To take a picture, press both shutter buttons at the same time.
这儿有一个很棒的互动画面，展示了当快门按下时，尼康D3内部的完整工作过程。
There is an outstanding interactive movie of the inside of a Nikon D3 showing the complete process in incredible detail. I highly recommend taking a look.
就这样每次你说“YES”时他都按下快门。
So every time you say YES they need to push the shutter button.
能多次曝光拍摄，当快门按钮按下时，胶卷不会卷动，可实现在同一底片上多次曝光。
Enables multi exposure shooting. The film does not advance when the shutter button is pressed to allow taking several exposures on the same frame.
她微笑时，他按下快门。
当快门按钮按下时，10秒计时起被启动。
The 10-second timer is activated when the shutter button is pressed.
当快门按钮按下时，10秒计时起被启动。
The 10-second timer is activated when the shutter button is pressed.
应用推荐