Electricity Lights Up the World's Columbian Exposition: October 1893.
1893年10月电力点亮世博会。
Fluorescent lights use electricity to excite mercury vapor. This produces ultraviolet light that causes a phosphor coating inside the bulb to glow.
荧光灯用电激发水银蒸气。这会生成紫外线光而使得镀在灯管内壁上的磷涂层发光.
Because electricity is in short supply, there are hardly any lights at all — a couple of bulbs here and there, and the headlights of passing buses.
因为电力的短缺，基本上看不到灯光——除了零星的几点外，就只有路上行驶公交车的头灯。
Right now, it's impossible now to know how much electricity our lights and geothermal system will use at Sheep Dog.
眼下，我们还不可能知道在牧羊犬这个地方要用多少电来照明，要用多大规模的地热系统来取暖。
There's no electricity beyond that provided by one old solar panel that powers two dim lights for a few hours a day.
这里没有电，只有一个旧太阳能电池板，每天提供几个小时微弱的灯光。
Now balanced precariously atop their tin roof, a lone solar panel provides enough electricity to charge the phone and run four bright overhead lights with switches.
现在，一晃一晃固定在露托家铁皮屋顶上的，是一架独立式太阳能电池板，可以为手机提供足够的电力，并点亮了4只带开关的吊灯。
The wind turbine he used to generate electricity was damaged during a storm three years ago and still hasn't been repaired, so he USES a solar panel to power his computer and lights.
发电用的风力涡轮机三年前就在一次风暴中损坏了，至今没有得到修复。所以他用太阳能帆板来给他的电脑和照明灯供电。
Electricity is being rationed at the hotel, with lights out at 1 a.m., a little later than summer camp.
现在饭店还是有电力供应的，不过凌晨1点的时候就要断了，比夏令营断电时间稍晚些。
For instance, encourage the kids to look for ways to save money - by borrowing DVDs from the public library instead of renting them, or saving electricity by turning out lights.
例如，鼓励孩子寻求省钱之道——从公共图书馆借dvd而不是花钱去租，或者随手关灯以节约用电。
Switch the lights off. Stop using fossil fuels to make electricity.
比如关掉电灯、停止使用化石燃料来发电、选择高效能的汽车、不乘坐飞机。
The lights are kept off to save money on the electricity bill.
为了省电费，灯都关着。
As a local energy official, Ms Rousseff kept the lights on after a drought in 2001 led to electricity rationing.
身为地方的能源厅长，Dilma Rousseff在2001年干旱造成轮流限电之后仍保持开灯。
Televisions and lights use electricity.
电视和电灯利用电能。
That was the days before electricity. Now our sky is lit from the many city lights, making it difficult to see stars.
那是早在电力被发明之前的事。如今城市的灯光照亮了夜空，我们更不容易看到星星了。
In order not to waste electricity, turn off all the lights when you go out.
为了不浪费电，出门时把所有的灯关掉。
We should save electricity , we'd better turn off lights if we leave a room.
我们应该节约用电，当离开房间的时候，最好把灯关上。
Solar panels will generate enough electricity for the satellite communication and navigation system and for lights.
太阳能板能产生足够的电力维持卫星通讯，导航系统，以及照明灯。
On a sunny summer day, the two children inside had to keep the lights on — which drives up the electricity bill, even if the family is using energy-saving bulbs.
即使家庭使用了节能灯泡，在一个阳光明媚夏日的一天家里的两个孩子仍开着灯——增加了电力账单。
Turn off the lights so you don't waste electricity.
把灯光关了，这样您就不会浪费电力。
Repair and service for the hotel area electricity and lights.
修理和维修酒店所有控制区域的电路，包括电力和照明。
The electrical system supplies electricity for the ignition, horn, lights, heater, and starter.
电系统为点火，喇叭，灯光，发热器和起动器提供电。
Tell the boy to switch off all the lights as he leaves the room in order to save electricity.
告诉孩子在离开房间时关掉所有的灯，以节约用电。
The lights were dimmed out when the electricity supply was reduced.
电力供应被削减后，灯光就变暗了。
Instead of turning off the lights for 30 minutes once a year, what is needed is a shift in thinking that views saving electricity with an almost religious fervor.
我们需要的是以虔诚的热情转变节约电的观点，而不是一年关30分钟的灯。
Instead of turning off the lights for 30 minutes once a year, what is needed is a shift in thinking that views saving electricity with an almost religious fervor.
我们需要的是以虔诚的热情转变节约电的观点，而不是一年关30分钟的灯。
应用推荐