关闭远光灯开启近光灯

例句：

1. 1. Please turn off the lights when youleave.
   当你离开时，请关灯。
2. 2.The car engine turned off as soon asI started it.
   我一启动汽车，发动机就熄火了。
3. 3. She turned off theradio and went to bed.
   她关掉收音机，去睡觉了。