This makes the total cost of the bulb and energy $27.
这使得灯泡和电量的总耗费升为$27。
It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.
换一个灯泡当然很容易,但是要更换灯泡和其固定装置就比较难了。
The bulb should just screw into the socket.
把灯泡拧到灯口上就行。
A single hair is fixed at one end below the skin in the bulb.
每根头发都由皮肤下的毛囊固定着其中一端。
The bulb acts rather like a cap—it encloses the end of the hair in the head.
毛囊的作用有点像帽子——它将发根紧紧地附于头皮上。
At least the slides were good, that is, until the bulb in the projector blew.
至少在投影仪的灯泡爆了之前,幻灯片还不错。
As you can see, along the length of the hair, there are three main parts called the bulb, the root and the shaft.
如你们所见,顺着头发的长度可以分为三个主要部分,分别是毛囊、毛根和毛干。
At a party, he instructed a Royal Air Force pilot to remove the bulb from a light fitting and place it in a flowerpot, on hearing the word Germany.
在一次派对上,他让一名皇家空军(RoyalAir Force)飞行员一听到“德国”这个词,就把灯具上的灯泡取下来,放到花盆里。
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.
It was all pure speculation because as I said, there was no way to know if the bulb was really going to produce the variety, the color that was promised.
这都纯粹是猜测,因为正如我所说,没有办法知道球茎是否真的会像承诺中那样开出各种品种、颜色的花。
Take the great American scientist Thomas Edison as an example. He tried experiment after experiment and had one failure after another before he finally invented the bulb.
以伟大的美国科学家托马斯·爱迪生为例,他做了一次又一次的实验,失败了一次又一次才最终发明了灯泡。
He raced towards the bulb of a reading-lamp.
他跑向阅读灯的灯泡。
The bulb is ordinary, in fact: 500 watt, halogen.
灯泡看起来很普通,实际上:500瓦,卤素灯。
The bulb (shown above) will go on sale this year.
上图中的灯泡将在今年上市销售。
The higher the number, the more efficient the bulb.
数值越高,其效率越高。
That's 17 years if the bulb is on four hours a day.
如果每天使用4个小时,那LED灯泡可以使用17年之久。
The bulb of the lamp must have chosen this moment to blow.
灯泡怕是刻意的在这一刻熄灭。
prepare a surface on a work table for hollowing out the bulb.
在桌面上准备掏空灯泡。
But when Horn touched the glass part of the bulb, he felt no heat.
但当Horn触碰灯泡玻璃时,却感受不到热量。
If you do that, do not cut the leaves any closer than two and a half centimeters from the bulb.
在剪叶子时,不要剪掉鳞茎附近2.5厘米以内的叶子。
When he prematurely announced that he'd come up with the bulb, stock in gaslight companies took a dive.
当他过早地宣布他能弄出这么个灯泡时,煤气灯公司的股价立马一落千丈。
The bulb, which hangs idly about in a fire station in Livermore, California, holds the Guinness World Record.
这只悠闲的挂在加州利物浦的一个消防站的灯泡,拥有了一项吉尼斯世界纪录。
Practically all the improvements in terms of life and brightness since then have come from the bulb-makers themselves.
实际上灯泡寿命和亮度的改进全部来自灯泡制造商自己的选择。
The net result is that a 5% reduction in the voltage more than doubles the life of the bulb, but delivers 20% less light.
综上所述,减少电压5%能使灯泡的使用寿命延长至少2倍,但是其亮度会下降20%。
Plug the hole with wax or silicone, then screw the bulb into a socket and let someone walk into the room and throw the switch.
把那个洞用蜡或硅酮封住,之后把灯泡重新旋入插座,静候等某人走入房间,打开开关。
That's roughly three years of continuous service, more than two decades if the bulb is used for three hours daily, about the national average.
这大概就是3年连续使用的时间,按每天使用3小时的话可以使用20年,达到了国家平均水平。
Or suppose you miss a payment and your car insurance lapses, and then you're stopped for something like a broken headlight (about $130 for the bulb alone).
或者假设你没按时付费,你的汽车保险过期了。于是,你无法再得到类似坏掉的车头灯(仅灯泡就大约130美元)一类的赔偿了。
So, while inventors around the world worked only on the bulb, he conceived an entire network of generators, meters, transmission lines, and substations.
所以,当全世界的发明家们只在灯泡上做文章的时候,他却构想出了一幅宏观蓝图——一个包含了发电机、电表、电线和变电站在内的完整网络。
The Red Hot Chili Peppers got turned on by the bulb during 1994's Woodstock Music Festival, dawning memorable self-illuminating costumes for their stage show.
在1994年伍斯托克音乐节上,红辣椒乐队被灯泡“点亮”,最开始那套为舞台秀设计的自发光装束令人记忆犹新。
Take your filaments to your bulb and hold them up to see how long the stems need to be to have the heart filaments positioned in roughly the center of the bulb.
把爱心放进灯泡里,大致在灯泡中间的位置,比一下大概需要多长。
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