signal
常考释义
1.信号；暗号a movement or sound that you make to give sb information, instructions, a warning, etc.
a danger/warning/distress, etc. signal危险、警告、求救等信号
At an agreed signal they left the room.收到约定的信号后，他们离开了房间。
The siren was a signal for everyone to leave the building.警报器一响，就是要所有人离开大楼。
When I give the signal , run!我一发信号，你就跑！
All I get is a busy signal when I dial his number(= his phone is being used) .我什么时候拨他的电话听到的都是忙音。
hand signals(= movements that cyclists and drivers make with their hands to tell other people that they are going to stop, turn, etc.)（骑车人和驾车人的）示意手势
2.标志；预示；信号an event, an action, a fact, etc. that shows that sth exists or is likely to happen
The rise in inflation is a clear signal that the government's policies are not working.通货膨胀率的上升清楚地表明，政府的政策不起作用。
Chest pains can be a warning signal of heart problems.胸部疼痛可能是心脏病的先兆。
Reducing prison sentences would send the wrong signals to criminals.减刑会向犯罪分子发出错误的信号。
3.（尤指铁路和公路上的）指示灯，信号灯，红绿灯a piece of equipment that uses different coloured lights to tell drivers to go slower, stop, etc., used especially on railways/railroads and roads
traffic signals交通信号灯
a stop signal停车信号
4.（传输声音、图像或其他信息的电波）信号a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile/cell phone
TV signals电视信号
a high-frequency signal高频信号
a radar signal雷达信号
to detect/pick up signals探测到╱收到信号
to emit a signal发射信号
I couldn't get a signal on my cell phone.我的手机接收不到信号了。
1.[i][t]发信号；发暗号；示意to make a movement or sound to give sb a message, an order, etc.
Don't fire until I signal.等我发出信号后再开枪。
Did you signal before you turned right?右转弯前你示意了吗？
He signalled to the waiter for the bill.他示意服务员结账。
He signalled to us to join him.他示意要我们去他那儿。
She signalled him to follow.她示意他跟她走。
The referee signalled a foul.裁判鸣哨示意犯规。
She signalled (that) it was time to leave.她示意该走了。
You must signal which way you are going to turn.你要朝哪个方向转，必须发出信号。
2.[t]~ sth标志；表明；预示to be a sign that sth exists or is likely to happen
This announcement signalled a clear change of policy.这个声明显示政策有明显的改变。
The scandal surely signals the end of his political career.毫无疑问，这桩丑闻预示他的政治生涯就此结束。
3.[t]表达；表示；显示to do sth to make your feelings or opinions known
He signalled his discontent by refusing to vote.他拒绝投票以示不满。
She has signalled (that) she is willing to stand as a candidate.她表示愿意作为候选人参加竞选。
1.[obn]重大的；显要的important and noticeable
a signal honour极大的荣誉
Come on, do not signal, to see a really is not ah, may be the house signal is not good, it must have, wish, busy to run at the door.
不会吧，难道没有信号，一看果然是没啊，可能是屋子里信号不好，外面一定有，心想着，忙下榻就往门口跑。
Stepping out of the Signal Hill Park, you could take a stroll on the seashore sidewalk along the coast.
走出信号山公园，你可以去滨海步行道看看。
They made it a signal between them to knock at the door three times.
翻译他们以敲三下门作为他们的暗号。
This meter displays how much the signal is being attenuated by the compressor and the gate.
当压缩或噪声器的信号衰减多少，该表就会显示多少。
It's a signal as well that the U. S. economy may be starting to slacken after one of its most vigorous years in a decade.
这也显示，美国经济在经历10年来相当繁荣的一年之后，可能正开始衰退。
So, it pays to research the customs of any country you might be visiting before you use the "thumbs up" or any other type of hand signal.
因此，在你去一个国家之前，先调查一下它“竖起大拇指”的传统用法以及其它的一些手势是值得的。
The law did not yield many inventions, but it did send a crucial signal that government would be friendly to private start-ups.
该法律并没有导致很多发明，但它发出了一个重要信号，即政府将采取对私营新建企业有利的政策。
the strength of financial markets tends to be seen as a signal that the economy is soundly based.
强健的金融市场倾向于被认为是经济良性发展的信号。
NASA is also employing one of its two ground rovers, the Opportunity, to try to listen for a weak signal from the silent satellite.
NASA同样也命令其中一个陆地巡航者，机遇号，来努力寻找来自这颗寂静卫星的微弱信号。
Kyodo said the Japanese government hopes to issue before the original visit to South Korea to North Korea "a strong signal. "
共同社称，日本政府希望通过前原访韩向朝鲜发出“强烈讯号”。
NGF seems to be involved in transmitting the pain signal. As a consequence, blocking NGF reduces chronic pain.
HGF似乎包含了运输疼痛信号，因而，阻止NGF就相当于减轻慢性疼痛。
It may signal what psychologists call the dark triad of psychopathic, narcissistic, and Machiavellian personality disorders.
它可能揭示出的是被心理学家们称之为的心理变态、自恋和权谋人格障碍的‘黑暗三合一’。
Gartner analyst Carolina Milanesi said the fact that Nokia maintained its outlook is a positive signal for many market watchers.
Gartner的分析师米拉尼斯（CarolinaMilanesi）说，诺基亚维持原有预期对很多市场观察人士来说是个积极信号。
But it would be a strong signal to financial markets that the new leader has his economic priorities right.
但这也将向金融市场发出一个强烈的信号：新的领导人有着正确的经济发展策略。
When you want to continue to go on, and the other party issued a "let the voice" of the signal, you can ignore the views of his eloquence.
当你想继续讲下去，而对方发出了“让出发言权”的信号时，你也可以无视他的意见口才。
The number of these circular DNA molecules - known as signal joint TCR excision circles (sjTRECs) - declines at a constant rate with age.
这些环状DNA分子叫做信号结合T细胞受体删除DNA环，其数量随着年龄的增长按固定比率减少。
The enhanced control signal quickly brings the output voltage up to at least the minimum desired level.
增强的控制信号将输出电压快速增加到至少最小期望电平。
This fact disturbed the boy and he asked his mother if she wanted him to erase the signal.
这个事情让小男孩很烦恼，他去问他母亲要不要他去擦掉这暗号。
With her free hand, Li managed to fumble it out, but there was no signal.
李万枝用另外一只手左摸右掏的总算把手机拿了出来，但是没有信号。
That this is a dangerous signal a bit alarmist, but at least people will mind Ta Kwu.
说这是一个危险的信号有点耸人听闻，但至少会让人心里打鼓。
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