In Amsterdam officials are using Airbnb listings to track down unlicensed hotels
出自-2013年12月阅读原文
In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.
出自-2010年6月阅读原文
Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations,and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments.
出自-2010年6月阅读原文
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N-COUNT
小道;小径
A track is a narrow road or path.
例句
We set off once more, over a rough mountain track.
我们沿着一条崎岖的山间小路再度出发。
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N-COUNT
跑道;赛道
A track is a piece of ground, often oval-shaped, that is used for races involving athletes, cars, bicycles, horses, or dogs called greyhounds.
例句
The two men turned to watch the horses going round the track.
那两个男人转身观看赛马沿赛道而行。
...the athletics track.
田径跑道
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N-COUNT
铁轨;轨道
Railway tracks are the rails that a train travels along.
例句
A woman fell on to the tracks.
一名女子摔倒在铁轨上。
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N-COUNT
(CD、唱片或磁带上的一首)歌曲，乐曲
A track is one of the songs or pieces of music on a CD, record, or tape.
例句
Graeme Naysmith has produced two of the ten tracks on this album.
格雷姆·内史密斯创作了这张专辑十首歌中的两首。
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N-PLURAL
足迹;踪迹
Tracks are marks left in the ground by the feet of animals or people.
例句
The only evidence of pandas was their tracks in the snow...
熊猫活动的唯一迹象是它们留在雪地上的足迹。
McKee suddenly noticed tire tracks on the bank ahead.
麦基突然注意到前方岸边的轮胎痕迹。
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VERB
跟踪;追踪
If you track animals or people, you try to follow them by looking for the signs that they have left behind, for example the marks left by their feet.
例句
He thought he had better track this wolf and kill it...
他认为最好跟踪这只狼，杀了它。
I followed him, tracking him in the snow until finally he got tired.
我跟着他，在雪地里追踪他，直到他最终体力不支。
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VERB
(以卫星、雷达等)追踪…的动向
To track someone or something means to follow their movements by means of a special device, such as a satellite or radar.
例句
Our radar began tracking the jets...
我们的雷达开始追踪喷气式飞机的动向。
Forecasters are also tracking hurricane Josephine.
气象预报员也在追踪飓风“约瑟芬”的动向。
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VERB
追踪调查;探究
If you track someone or something, you investigate them, because you are interested in finding out more about them.
例句
If it's possible, track the rumour back to its origin...
如果可能，应追查谣言的源头。
The player is being tracked by Juventus.
该选手正为尤文图斯队所追踪关注。
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N-COUNT
(同等年龄、能力的孩子组成的)班级，班组
In a school, a track is a group of children of the same age and ability who are taught together.
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VERB
把(学生)按能力分班(或组)
To track students means to divide them into groups according to their ability.
例句
Students are already being tracked.
学生已经按能力分班了。
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PHRASE
掩盖行踪;隐匿身份(或活动)
If someone covers their tracks, they hide or destroy evidence of their identity or their actions, because they want to keep them secret.
例句
He covered his tracks, burnt letters and diaries...
他掩盖形迹，烧毁了信件与日记。
The killer may have returned to the scene of the crime to cover his tracks.
凶手可能曾回到犯罪现场掩盖自己的罪行。
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PHRASE
占优势;处于有利地位;了解内情
If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
例句
Denver has the inside track among 10 sites being considered...
丹佛在 10 个被考虑的地点之中具有优势。
As an agent, you may have an inside track when good deals become available.
作为代理人，一旦有划算的买卖你恐怕能近水楼台先得月。
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PHRASE
跟上…的进展;掌握…的最新消息
If you keep track of a situation or a person, you make sure that you have the newest and most accurate information about them all the time.
例句
With eleven thousand employees, it's very difficult to keep track of them all...
对于一支 1.1 万人的员工队伍，很难及时了解到所有有人的动态。
It's hard to keep track of time in here.
在这里很容易忘了时间。
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PHRASE
跟不上…的进展;不再掌握…的最新情况
If you lose track of someone or something, you no longer know where they are or what is happening.
例句
You become so deeply absorbed in an activity that you lose track of time...
你会因过于专注某项活动而失去时间概念。
It's so easy to lose track of who's playing who and when.
很容易就忘记谁要和谁比赛，什么时候比。
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PHRASE
(匆匆)离开
If you make tracks, you leave the place where you are, especially when you are in a hurry.
例句
We'd better make tracks soon, hadn't we?
我们最好马上就走，不是吗？
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PHRASE
在正确的轨道上
If someone or something is on track, they are acting or progressing in a way that is likely to result in success.
例句
It may take some time to get the British economy back on track...
要使英国经济重新回到正轨可能需要一段时间。
David put me back on track…
戴维让我重新回到了正轨。
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PHRASE
追踪;追查;探究
If you are on the track of someone or something, you are trying to find them, or find information about them.
例句
He was on the track of an escaped criminal...
他正在追踪一名逃犯。
The research institute is on the track of what causes the artery damage.
研究所正在探究动脉损伤的诱因。
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PHRASE
循着正确/错误的路线;在正确/错误的道路上
If you are on the right track, you are acting or progressing in a way that is likely to result in success. If you are on the wrong track, you are acting or progressing in a way that is likely to result in failure.
例句
Guests are returning in increasing numbers — a sure sign that we are on the right track...
回头客越来越多了——这显然表明我们的路走对了。
We need a convincing win to put us back on the right track…
我们需要一场令人信服的大胜，以重回正轨。
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PHRASE
(使)突然止步，突然停下
If someone or something stops you in your tracks, or if you stop dead in your tracks, you suddenly stop moving because you are very surprised, impressed, or frightened.
例句
This magnificent church cannot fail to stop you in your tracks…
这座宏伟的教堂一定会让你止步赞叹。
They stopped in their tracks and stared at him in amazement…
他们突然停下，惊讶地盯着他。
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PHRASE
(使)立即停止，立即中断
If someone or something stops a process or activity in its tracks, or if it stops dead in its tracks, they prevent the process or activity from continuing.
例句
Francis felt he would like to stop this conversation in its tracks…
弗朗西斯觉得他应该立即打断这一谈话。
U.S. manufacturers may find the export boom stopping dead in its tracks.
美国制造商将会发现出口热戛然而止。
Noun
1. a line or route along which something travels or moves;
"the hurricane demolished houses in its path""the track of an animal""the course of the river"2. evidence pointing to a possible solution;
"the police are following a promising lead""the trail led straight to the perpetrator"3. a pair of parallel rails providing a runway for wheels
4. a course over which races are run
5. a distinct selection of music from a recording or a compact disc;
"he played the first cut on the cd""the title track of the album"6. an endless metal belt on which tracked vehicles move over the ground
7. (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
8. a groove on a phonograph recording
9. a bar or bars of rolled steel making a track along which vehicles can roll
10. any road or path affording passage especially a rough one
11. the act of participating in an athletic competition involving running on a track
Verb
1. carry on the feet and deposit;
"track mud into the house"2. observe or plot the moving path of something;
"track a missile"3. go after with the intent to catch;
"The policeman chased the mugger down the alley""the dog chased the rabbit"4. travel across or pass over;
"The caravan covered almost 100 miles each day"5. make tracks upon