power-sleep

例句：

1. 2.
   电力的
2. 3.
   在电力或计算机系统中
3. 1. The power-saving mode is activated when the computer is in sleep mode.
   当电脑处于睡眠模式时，节能模式被激活。
4. 2. She went to sleep after finishing her work for the day.
   她完成了一天的工作后去睡觉了。
5. 3.To save energy, we need to turn off the lights and power off our devices before leaving the room.
   为了节省能源，我们需要在离开房间前关掉灯并关闭设备。