underground
- adj.地下的;秘密的，非法的，暗中的，地下的(尤指反政府的);地面以下的
- adv.在地下;在地面下;隐蔽地;隐匿地
- n.(城市的)地下铁路系统，地铁;(反政府)地下组织;秘密政治组织
under- 在...下面 + ground n.大地
undergroundadj.
地下的；地面以下的
under the surface of the ground
underground passages/caves/streams
地下通道 / 洞穴 / 溪流
underground cables
地下电缆
秘密的，非法的，暗中的，地下的（尤指反政府的）
operating secretly and often illegally, especially against a government
an underground resistance movement
地下抵抗运动
adv.
在地下；在地面下
under the surface of the ground
Rescuers found victims trapped several feet underground.
营救人员发现有受难者被困在地下几英尺处。
toxic waste buried deep underground
深埋在地下的有毒废弃物
隐蔽地；隐匿地
in or into a secret place in order to hide from the police, the government, etc.
He went underground to avoid arrest.
他隐藏起来以防被捕。
noun
（城市的）地下铁路系统，地铁
an underground railway/railroad system in a city
underground stations
地铁车站
the London Underground
伦敦地铁
I always travel by underground.
我总是乘地铁。
秘密政治组织；（反政府）地下组织
a secret political organization, usually working against the government of a country
underground
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2
ADV 地下；地面下
Something that is underground is below the surface of the ground.Solid low-level waste will be disposed of deep underground...
放射性水平低的固体废料将做地下深埋处理。
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3
N-SING 地铁
The underground in a city is the railway system in which electric trains travel below the ground in tunnels....a woman alone in the underground waiting for a train...
独自在地铁里等车的女子
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5
N-SING （反抗敌人或暴政的）地下组织，秘密组织
In a country which is controlled by an enemy or has a harsh government, the underground is an organized group of people who are involved in illegal activities against the people in power.These US dollars were smuggled into the country during the war, to aid the underground.
战争期间，这些美元被偷运到该国，用以资助那里的地下组织。
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6
ADJ 地下的；秘密的；非法的
Underground groups and activities are secret because their purpose is to oppose the government and they are illegal....the underground Kashmir Liberation Front...
秘密的克什米尔解放阵线
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7
ADV 秘密地；隐蔽地；暗中
If you go underground, you hide from the authorities or the police because your political ideas or activities are illegal.After the violent clashes of 1981 they either went underground or left the country.
经历了1981年的激烈冲突之后，他们或转入地下，或离开了该国。
noun
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1
- an electric railway operating below the surface of the ground (usually in a city)
- in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
- Synonym: metro tube subway system subway
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2
- a secret group organized to overthrow a government or occupation force
- Synonym: resistance
adj
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1
- conducted with or marked by hidden aims or methods
- clandestine intelligence operations
- cloak-and-dagger activities behind enemy lines
- hole-and-corner intrigue
- secret missions
- a secret agent
- secret sales of arms
- surreptitious mobilization of troops
- an undercover investigation
- underground resistance
- Synonym: clandestine cloak-and-dagger hole-and-corner(a) hugger-mugger hush-hush secret surreptitious undercover
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2
- under the level of the ground
- belowground storage areas
- underground caverns
- Synonym: belowground
adv
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1
- beneath the surface of the earth
- water flowing underground
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2
- in or into hiding or secret operation
- the organization was driven underground
数据来源：WordNet
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The day would come when many of us would have to go underground .
我们中许多人将不得不转入地下的这一天会来到的。
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I also know that most plants use their underground roots to get water .
我还知道大多数植物要利用它们在地下的根来获取水分。
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The electricity line is fed with power through an underground cable .
这条电线的电源是通过地下电缆传输的。
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Power is fed into the electricity line through an underground cable .
电力通过地下电缆传输给这条电线。
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They found themselves in a vast underground chamber .
他们发现他们进入了一个地下大洞穴。
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If you want to get around London fast , the Underground is your best bet .
如果你想在伦敦快速出行，最好是乘地铁。
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I always travel by underground .
我总是乘地铁。
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Rescuers found victims trapped several feet underground .
营救人员发现有受难者被困在地下几英尺处。
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The miners were trapped deep underground .
矿工被困在地下深处。
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The escaped prisoners were eventually trapped in an underground garage and recaptured .
越狱逃犯终于给追逼到地下汽车库，再次被捕。
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The Chicago River flooded the city 's underground tunnel system
芝加哥河的河水淹没了城市的地下隧道系统。
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The underground is ideal for getting to work in Milan .
在米兰，乘地铁去上班非常便捷。
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The plane hit so hard that one engine was buried 16 feet underground .
飞机猛烈撞击地面，致使一个引擎陷到了地下16英尺处。
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Solid low-level waste will be disposed of deep underground
放射性水平低的固体废料将做地下深埋处理。
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The train was trapped underground by a fire
列车被大火困在地下。
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There 's an underground passageway that connects the five buildings .
有一条地下通道连接着那5栋大楼。
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They are accused of organising and financing an underground youth movement .
他们被指控组织并资助地下青年运动。
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After the violent clashes of 1981 they either went underground or left the country .
经历了1981年的激烈冲突之后，他们或转入地下，或离开了该国。
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At its peak in the Thirties , Underground design and architecture was all of a piece
在30年代的顶峰时期，地铁的设计和建筑风格都一模一样。
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A London Underground spokesman defended the decision to hold the train until police arrived .
伦敦地铁公司的发言人为推迟发车直到警方赶来的决定作了辩解。
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These US dollars were smuggled into the country during the war , to aid the underground .
战争期间，这些美元被偷运到该国，用以资助那里的地下组织。
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Radioactive water had seeped into underground reservoirs
放射性水已经渗入地下蓄水层中。
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He crossed London by underground
他乘地铁穿过伦敦。
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London Underground said it may have to axe 500 signalling jobs because of government cutbacks in its investment .
伦敦地铁称由于政府削减了投资，可能将不得不削减500个信号员的岗位。
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By 1997 or thereabouts Athens will have a new airport , plus the best underground railway in Europe .
到1997年前后，雅典将有一个新机场，还有欧洲最先进的地铁。
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There was an Underground map above one of the windows and I counted the stops to West Hampstead
其中一扇窗户上方有一张地铁线路图，我数了数到西汉普斯特德站共有几站。
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Bus routes and railways , both overground and underground , converged on the station .
公共汽车线路和地上地下路轨都在该站交汇。
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France has carried out an underground nuclear explosion on Mururoa Atoll in the South Pacific .
法国已经在南太平洋的穆鲁罗瓦环礁进行了地下核爆。
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Water trickles through an underground grotto .
水沿着地下岩洞流淌。
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He was a courier for the Polish underground and parachuted into Warsaw
他是波兰地下组织的情报员，被空降到华沙。
同义词