VOA慢速英语:One-Hour Blackout to go Green

shut off停止, 关掉

例句：We shut off the motor before we left the workshop.
      我们离开车间以前把马达关掉了。

      The current has been shut off.
      电流切断了。

本文中出现的同义词组：

turn off(把…)关掉

例句：The tap won't turn off and there is water all over the floor.
      水龙头关不上, 满地都是水。

turn out关灯

例句：Don't forget to turn out the light when you leave the classroom.
      你离开教室时别忘了关灯。

2.So is the Empire State Building in New York and buildings in other cities around the world.

So is表示后面所陈述的对象与前面同样的情况。

3.For the fourth year, people are being urged to turn off their lights for one hour to call attention to the issue of climate change.

call attention to引起对…的注意

例句：We must call your attention to this problem.
      我们必须引起你对这问题的注意。

      We call your attention to our signature at foot.
      惠请注意我们在下面的签名。