On the edge of the jacket, there is a piece of cloth that gives off light in the dark.
夹克边缘的一块布料可以在黑暗时发光。
爸，你没关，那红灯亮着。
The sun gives off light and heat. So does the other stars.
太阳发光发热，其他恒星也如此。
The filament gives off light when heated by an electric current.
当灯丝藉助于电流而加热时，就会发出亮光。
When a current is passed between these electrodes, the polymer gives off light.
当电流通过两个电极时高分子材料便会发光。
On day four, The heavenly bodies that give off light by day or night are created.
在第四天，那些在白天或者晚上发光的天体被创造了。
I think teachers are like candles, giving off light for others by burning themselves.
我认为老师就像蜡烛，燃烧自己，照亮别人。
Students shall turn off light and lock windows and doors before they leave classrooms.
离开教室时应随手关灯，关好窗户和锁好门。
The sun gives off light and heat. It is the major source of energy for people living on earth.
太阳发出光和热，这是地球上人们主要的能源。
Think about a light bulb; if you apply a current, the filament gets hot and begins to give off light of different colors - red then yellow then blue.
试想下灯泡，如果接通了电流，灯丝会变热继而发出不同颜色的光-从红到黄再到蓝色。
They're some type of granite formations that give off light at night. Prof. Glom has named them skyscrapers since they seem to be scraping the skies.
它们是某种夜间会发光的花岗岩结构。格洛姆教授把它们叫做摩天大楼，因为它们好像已经擦到了天。
He fell asleep with the light off.
灯关掉的状态下，他睡熟了。
Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.
运用这项技术后，已取得了一些非常重要的发现，尤其是考虑到太空中的一些物体会发出无线电波，但不会发出任何光。
把那灯关了！
Very rarely will an Englishman try to anticipate the green light by moving off prematurely.
很少有英国人会试图提前离开，以预测绿灯的到来。
She reached over and flipped off the light.
她伸过手去关掉了灯。
Your arms and legs need protection from light bouncing off glass.
你的双臂和双腿需要保护，免受玻璃反射光的照射。
As he pulled into the driveway, he saw her bedroom light was off.
当他驶入车道时,他看见她卧室的灯关着。
Sometimes even a light touch on the face is enough to trigger off this pain.
有时甚至在脸上轻摸一下也足以引发这种痛苦。
He was convicted of assaulting a police officer but he got off with a light sentence.
他被定了个殴打警察罪，然而却得到从轻判处。
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。
If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.
如果灯亮了又灭了好几次，海豚就应该先按左手的杠杆，再按右手的杠杆。
Basically the light bouncing off all these objects close to earth is brighter than what's coming from the stars.
大体上，所有靠近地球的这些物体所反射的光都比来自恒星的要亮。
However using light to find one's own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene.
然而，利用光来找到自己的方向极大地需要更多的能量，因为眼睛必须检测从场景的每个部分反射的光的极小部分。
She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off.
她经常把装有放射性同位素的试管放在口袋里，对试管里发出的漂亮的蓝绿光赞不绝口。
She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off.
她经常把装有放射性同位素的试管放在口袋里，对试管里发出的漂亮的蓝绿光赞不绝口。
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