click on four cylinders

例句：

1. 1. I clicked the button to turn off the lights.
   我点击按钮关闭了灯光。
2. 2. The computer mouse is a great tool for clicking and dragging.
   计算机鼠标是一个极好的点击和拖动工具。
3. 3. Click on the image to enlarge it.
   点击图片来放大它。