您要查找的是不是：
- Switch lighting on only when you need it. 只在有需要时才使用灯光。
- Models also available with switchable light guide. 同时配备了光导向切换机。
- Switchable Light Guides for Improved Cost performance. 光导向切换功能提高了同成本下的机械性能。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- Switchable light guides for improved cast performance. 光导向切换功能提高了同成本下的机械性能。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- "Earth Hour" event in fact, as easy as switching lights. “地球一小时”活动其实就像开关灯一样容易。
- light activated switch light active switch 光敏开关
- I can't feel where the light switch is. 我摸不出电灯开关在哪里。
- I'd clean forgotten to switch the light on. 我全然忘了开灯。
- She's neurotic about switching lights off at home to save electricity. 她为省电把家里的灯都关了; 真是精神病.
- She is fumbling the light switch. 她正找电灯开关。
- His questing fingers found the light switch. 他用手指摸到了灯的开关。
- Switch on the light at the wall-socket. 把电灯接通在墙上的电源插座上。
- The switch on the kettle won't stay down. 这个水壶上的开关按下时卡不住了。
- He blundered about the room, feeling for the light switch. 他在房间里磕磕绊绊地摸索电灯的开关。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- I switch off when he starts talking about cars. 他一谈起汽车我就厌烦。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
