One might well ask how many European scientists it takes to turn on a light bulb.
有人可能会问经过了多少位欧洲科学家才点亮了灯泡。
If this happens at night, yell for protection if you awaken, turn on a light, surround yourself in white light and demand they leave.
这可能会发生在晚上，如果你醒来，呼喊保护，打开一盏灯，让自己环绕着白色的光，要求他们离开。
So if dusk's approaching and you can't put that book down, there's no need for alarm. But you'll be a lot more comfortable if you turn on a light.
因此，当黄昏来临时，如果你还不想把正在看的书放下，请不要惊慌，这并不会直接影响您的视力，如果想让眼睛觉得更舒服些，只要把一盏灯点亮就好。
If you suspect a gas leak, do not strike a match or even turn on an electric light.
假如你怀疑有煤气泄漏，不要划火柴，甚至连电灯都不要开。
You don't need a light switch or a light bulb or an iPhone app to turn something on or off.
你不需要电灯开关、灯泡或苹果手机应用程序来打开或关闭某些东西。
As soon as it's time to wake up, open the curtains or turn a light on.
到起床的时候了，就立马拉开窗帘打开或者把灯打开。
It is a free gift to all who repent-who turn from darkness to light-and call on the name of the Lord.
这是一个免费的礼物，所有谁忏悔，谁从黑暗走向光明开启，并呼吁主的名字。
If you shine a light on your belly now your baby will turn her head.
如果你对着肚子照下光，你的宝宝会转动她的头。
If you shine a light on your belly now, your baby will turn her head.
如果你对着肚子照下光，你的宝宝会转动她的头。
One of my personal goals for this year's conference is to shed some light on the age-related topics discussed in Programmers: Before you turn 40, get a plan B.
对于今年的大会，我的个人目标之一是在“程序员：年届40之前，获得B计划”的发言中解释一些与年龄相关的主题。
Researchers have engineered a benign virus that, when injected into the brain, makes the ion channels—the switches that turn cells on and off—responsive to light.
研究人员在小鼠脑内注入某种良性病毒，这种病毒使细胞膜上和细胞兴奋有关的离子通道对光产生反应。
For lights that turn on and off frequently, or are only on for a few minutes a day (like a light in a closet), an incandescent bulb will suffice.
需要频繁开关或是一天只要开几分钟的地方（比如说壁橱灯），用白炽灯泡就足够了。
Again, use a book light; don't turn on the overhead or a bright bedside light to write.
再一次，用一台读书灯；不要打开顶灯或旁边的光线很强的灯。
After that, you make a left-hand turn at the first traffic light. The Royal Hotel is on your right side.
然后，在第一个红绿灯时往左拐，皇家酒店就在你的右侧。
Those users in turn are spread out over 65, 000 virtual acres, so foot traffic in any particular place—say, on a company\'s branded island—tends to be light.
那些用户遍布在65，000英亩的虚拟土地上，步行到某个地区——在公司的岛上聊天。
Wait until the indicator light shows a full charge (on the ADR6300, for example, the charging LED changes from amber to green) but do not yet turn the device back on.
等到充电器指示灯显示完全充满后(在手机ADR6300上，充电器的LED充满后，灯的颜色会从琥珀色变成绿色)，这时候也不要打开手机。
Don't even give a nod to atmosphere, don't light any candles or turn on any music, leave your bedroom spartan, spend all the real money on your children's room's decor.
不要对所处环境的气氛赞许，不要点起烛火也不要打开音乐，让你们的卧室保持简约格调，把所有的钱都花在孩子们房间的装饰上。
Analogous to a snow avalanche on a steep mountain slope, an incoming light pulse initially frees just a few charge carriers which in turn free others until the original signal is amplified many times.
像陡峭山坡上的雪崩一样，一束入射光的脉冲最初仅仅释放少数的电荷载子(charge carrier)，这些电荷载子再轮流释放其他的载子，直到原始信号被放大很多次。
However Mirasol, as Qualcomm's method is known, merely USES MEMs to turn a pixel on or off (by reflecting either one wavelength of light, or none at all).
然而Mirasol,Qualcomm的一种方法，仅仅使用MEMs控制一个像素的打开与关闭(通过反射一种波长或不反射)。
For example he can send a message to an LCD screen, turn on lights, and take a temperature or light reading.
比如，他可以发送一条tweet给显示器，打开电灯，测量温度或者亮度。
Because of the great speed of light, we see a lamp light up almost at the exact moment we turn it on.
由于光速极快，我们几乎能在开灯的那一瞬间就看见电灯亮起来。
However, the design is pushed in a new direction with the adding of a capacitive slider on the lamp to both turn the light on and off or to adjust the dimming level.
不过，我们可在灯上添加电容滑块，实现开关灯和调光功能，这是设计方面的一个新方向。
旋转的红色警告光。
Fear grows in darkness; if you think there's a bogeyman around, turn on the light.
黑暗中产生恐惧；如果你认为你的周围有魔鬼，就将灯打开。
Fear grows in darkness; if you think there's a bogeyman around, turn on the light.
黑暗中产生恐惧；如果你认为你的周围有魔鬼，就将灯打开。
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