push button

例句：

1. 1.The car has a push button to startthe engine.
   这辆车有一个按钮来启动引擎。
2. 2. The door has a push button toopen it.
   门有一个按钮来打开它。
3. 3.She pushed the button to turn off thelights.
   她按下按钮来关闭灯光。