When the shutter released, I was overcome with a deep sense of joy and righteousness.

当快门释放时，我被一种深深的喜悦和正义感征服了。

I loaded my camera, I locked my focus, and I placed my finger over the shutter release, as Shea and Zion went to take their first sip of clean water.

我装好相机，锁定焦距，然后将手指放在快门按钮上， 这时 Shea 和 Zion 去喝了第一口清水。