Kate, don't forget to turn off the light when you leave the room.
凯特，你离开房间时别忘了关灯。
They should turn off the light upon leaving the room, and turn off the faucet after washing their hands, and not litter around.
他们应该出门关灯，洗完手关水龙头并且不能乱扔垃圾。
A light sensor reduces waste further by adjusting the brightness to match the ambient light, and a motion sensor can turn off the TV when it detects that no one is in the room.
轻型传感器减少浪费，以符合环境光线，运动传感器可以关闭电视，当它检测到房间里没有人时。
Before going to bed, turn off the light and put mosquito killer in the center of room and start it to make photo catalyst have a wider irradiation scope for better result.
在睡觉前先关好灯，将灭蚊器置于房间中心位置开启，使光触媒灯管照射到的地方更广，效果更加理想。
Before going to bed, turn off the light and put mosquito killer in the center of room and start it to make photo catalyst have a wider irradiation scope for better result.
在睡觉前先关好灯，将灭蚊器置于房间中心位置开启，使光触媒灯管照射到的地方更广，效果更加理想。
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