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N-UNCOUNT
光；光线；光亮
Light is the brightness that lets you see things. Light comes from sources such as the sun, moon, lamps, and fire.
例句
Cracks of light filtered through the shutters...
斑驳的光线透过百叶窗照射进来。
Light and water in embassy buildings were cut off...
大使馆内的水电都被切断了。
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N-COUNT
发光体；光源；（电）灯
A light is something such as an electric lamp which produces light.
例句
The janitor comes round to turn the lights out...
看门人巡视一圈，把灯熄灭。
You get into the music, the lights and the people around you.
你融入到音乐、灯光以及身边的人群中。
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N-PLURAL
交通信号灯；红绿灯
You can use lights to refer to a set of traffic lights.
例句
...the heavy city traffic with its endless delays at lights and crossings.
在交通灯和十字路口前长久等待的拥堵的城市车流
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VERB
照亮；照耀
If a place or object is lit by something, it has light shining on it.
例句
It was dark and a giant moon lit the road so brightly you could see the landscape clearly...
天黑了，一轮巨大的月亮把道路照得通明，周围的景物可以看得一清二楚。
The room was lit by only the one light...
房间里仅靠这一盏灯照明。
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ADJ-GRADED
（清晨或黄昏）天色亮的
If it is light, the sun is providing light at the beginning or end of the day.
例句
It was still light when we arrived at Lalong Creek...
我们到达拉隆溪时天还没黑。
He would often rise as soon as it was light and go into the garden.
他经常天一亮就起床去花园。
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ADJ-GRADED
（自然）光线充足的
If a room or building is light, it has a lot of natural light in it, for example because it has large windows.
例句
It is a light room with tall windows...
这间房有高大的窗子，光线充足。
Her house is light and airy, crisp and clean.
她的房子光线充足，空气流通，清新整洁。
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V-ERG
点燃；点着
If you light something such as a cigarette or fire, or if it lights, it starts burning.
例句
Stephen hunched down to light a cigarette...
斯蒂芬弓着身子点燃一支烟。
If the charcoal does fail to light, use a special liquid spray and light it with a long taper.
要是木炭确实着不了的话，使用一种特殊的液体喷剂，再用长木片将其点燃。
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N-SING
（火柴、打火机等）点火物
If someone asks you for a light, they want a match or cigarette lighter so they can start smoking.
例句
Have you got a light anybody?
你们谁有火吗？
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N-COUNT
角度；（事物呈现的）状态
If something is presented in a particular light, it is presented so that you think about it in a particular way or so that it appears to be of a particular nature.
例句
He has worked hard in recent months to portray New York in a better light.
最近几个月里他努力从更积极的角度来描绘纽约。
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N-SING
影响
You can refer to the type of influence that something has on situations, people, or things as the light of that situation, person, or thing.
例句
...the harsh light of reality.
现实严酷的一面
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N-PLURAL
眼光；（个人的）观点，标准
You say that something is done or is acceptable according to someone's lights when you mean that it is done or is acceptable according to their own ideas and standards.
例句
They can get on with running the school system according to their own lights and in their own interests.
他们可以继续按照自己的想法，依据自己的利益来管理学校系统。
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N-SING
眼神；目光
If there is a light in someone's eyes, there is an expression in their eyes that shows you the mood they are in or what they are thinking about.
例句
I remembered the curious expectant light in his eyes.
我记得他眼里那好奇而期待的目光。
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PHRASE
显露；揭露；为人所知
If something comes to light or is brought to light, it becomes obvious or is made known to a lot of people.
例句
Nothing about this sum has come to light...
关于这笔钱人们一无所知。
The truth is unlikely to be brought to light by the promised enquiry.
承诺要进行的调查不太可能揭露真相。
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PHRASE
开始明白
If light dawns on you, you begin to understand something after a period of not being able to understand it.
例句
At last the light dawned. He was going to marry Phylis!
终于明白过来了——他要和菲莉丝结婚了！
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PHRASE
黎明；破晓
First light is the time in the early morning when light first appears and before the sun rises.
例句
Three hours before first light Fuentes gave orders for the evacuation of the camp.
黎明前3个小时富恩特斯下达了撤离营地的命令。
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PHRASE
准许；许可
If someone in authority gives you a green light, they give you permission to do something.
例句
The food industry was given a green light to extend the use of these chemicals...
食品业获准继续使用这些化学品。
Other countries are eagerly awaiting an American green light to lift the sanctions altogether.
其他国家正在急切等待美国同意完全撤销制裁。
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PREP-PHRASE
鉴于；由于；根据
If something is possible in the light of particular information, it is only possible because you have this information.
例句
In the light of this information it is now possible to identify a number of key issues.
根据这一信息，现在有可能弄清楚几个关键问题了。
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PHRASE
很快入睡；立即失去知觉
If someone goes out like a light, they fall asleep or become unconscious very quickly or immediately.
例句
'Why didn't somebody come and tell me?' — 'Because you were out like a light.'
“为什么没有人来告诉我？”——“因为你一下就睡过去了。”
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PHRASE
重见天日
If you say that an object sees the light of day or sees the light, you mean that it is taken out of the place where it is stored.
例句
Museum basements are stacked full of objects which never see the light of day.
博物馆的地下室里堆满了永远不会重见天日的物件。
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PHRASE
问世；为公众所知
If something sees the light of day at a particular time, it comes into existence or is made known to the public at that time.
例句
This extraordinary document first saw the light of day in 1966.
这份非同寻常的文件第一次公开是在1966年。
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PHRASE
明白过来；领悟
If someone sees the light, they finally realize something or change their attitude or way of behaving to a better one.
例句
I saw the light and ditched him.
我终于醒悟，甩掉了他。
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PHRASE
点燃；点着
If you set light to something, you make it start burning.
例句
They had poured fuel through the door of the flat and had then set light to it.
他们隔着公寓门往里边倒汽油，然后点着了火。
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PHRASE
使（某事）显得非常清楚；使人了解（某事）
To shed light on ,throw light on, or cast light on something means to make it easier to understand, because more information is known about it.
例句
A new approach offers an answer, and may shed light on an even bigger question.
新的方法提供了一个答案，并且可能让人们对一个更大的问题有进一步的了解。
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PHRASE
隧道尽头的曙光；黑暗尽头的希望
When you talk about the light at the end of the tunnel, you are referring to the end of the difficult or unpleasant situation that you are in at the moment.
例句
All I can do is tell her to hold on, that there's light at the end of the tunnel.
我只能告诉她要坚持，让她知道总会柳暗花明的。