按动
6.The four pillars are lubricated mechanically. Just press the button to lubricate.
8.Players pushed a button on a control box to make the spaceships move and fire their weapons.
9.I was captivated when looing through my camera viewfinder but did not forget to snap the frame.
10.Pressing the shutter button 150,000 times is hard enough, but checking 150,000 images sounds like quite a chore.


