| 单词 | 信号 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔CHANGE/NOT CHANGE〕The lights changed to green, and the motorbike sped off. 交通信号灯变为绿色，那辆摩托车疾驰而去。朗文写作活用〔HIT〕We almost ran into a Rolls-Royce that pulled out in front of us without signalling. 我们差点就撞上了一辆劳斯莱斯，它在我们前面没打信号就开了出来。朗文写作活用〔SOUND〕The ear picks up sound waves and converts them into signals that it sends to the brain. 耳朵接收声波，并把声波转化成信号传送到大脑。朗文写作活用〔TURN〕He kept twiddling the knobs on the radio trying to get a signal. 他不停地转动收音机的旋钮想收到信号。朗文写作活用〔aerial〕The aerial receives signals from the ground.这根天线接收地面信号。牛津搭配〔agreed〕We waited for a knock, which was the agreed signal.我们等着一声敲门，这是约定好的信号。麦克米伦高阶〔all clear〕The all clear was sounded ten minutes after the alert was given.警报发出10分钟后响起了险情解除信号。外研社新世纪〔analog computer〕A computer in which numerical data are represented by measurable physical variables, such as electrical signals.类比计算机，模拟计算机：一种用可测物理变量（如电子信号）来代表数据的计算机美国传统〔audio〕A sound signal.声音信号美国传统〔beep〕A sound or a signal, as from a horn or an electronic device.嘟嘟声：一种象从号角或电子装置发出的声音或信号美国传统〔blaze〕These nouns denote bright light, especially when it is a visible sign of combustion.这些名词意指强烈的光，尤指燃烧时的可见信号。美国传统〔bleep〕The radio bleeps ten o'clock.收音机以嘟嘟的信号报告10点钟。英汉大词典〔bleep〕When we turned the boat about, the signal began to bleep again constantly.当我们把船调头的时候，信号器又不停地发出哔哔声。柯林斯高阶〔buzzer〕An electric signaling device, such as a doorbell, that makes a buzzing sound.蜂鸣器：可以发出嗡嗡声的一种电子信号装置，如门铃美国传统〔buzz〕To signal with a buzzer.蜂鸣：用蜂鸣器向…发出信号美国传统〔clock〕She set her clock (= put it to the right time) by the time signal on the radio.她根据收音机上的报时信号对表。剑桥高阶〔crosstalk〕Electronics Undesired signals or sounds, as of voices, in a telephone or other communications device as a result of coupling between transmission circuits.【电子学】 串话：在电话或其它传输设备中由于传送线路间的耦合作用而产生的不希望出现的信号和声音美国传统〔cue〕A hint or suggestion.暗示，信号美国传统〔cue〕An extract from the music for another part printed, usually in smaller notes, within a performer's part as a signal to enter after a long rest.提示小节：在乐谱中为另一声部作准备的选段，通常用较小的字体印刷，在演奏部分之内，作为在长时间休息后另一声部进入的信号美国传统〔cue〕This was the cue for him to come into the room.这是让他进房间的信号。牛津搭配〔curfew〕The signal, such as a bell, announcing the beginning of this restriction.宵禁信号：用一种信号来宣布这一限制的开始，如钟声美国传统〔directional〕Electronics Capable of receiving or sending signals in one direction only.【电子学】 定向的：只能从一个方向接收或发射信号的美国传统〔display〕This time the display flashed a red warning signal.这次显示器上闪烁着红色的报警信号。朗文当代〔distortion〕Audio signals can be transmitted along cables without distortion.音频信号可以通过电缆传送而不失真。外研社新世纪〔duty〕The traffic lights were not working so there was a policeman on point duty.交通信号灯坏了，所以有一个警察在执勤指挥。牛津搭配〔entrance〕A fanfare signalled the entrance of the king.响亮的喇叭声是国王驾到的信号。牛津高阶〔fade-out〕A gradual and temporary loss in reception of a radio or television signal, often generated by interference in transmission.渐隐：收音机或电视接收信号渐弱或暂时消失，通常由于传播中受到干扰引起美国传统〔fade〕The radio signal faded out as we got further from the station.随着我们离电台越来越远，无线电信号逐渐消失了。韦氏高阶〔fail-safe〕The camera has a built-in fail-safe device which prevents it from working if the right signals aren't received.摄像机有内置自动防故障装置, 该装置确保摄像机在未接到正确信号时不会启动。外研社新世纪〔fiber optics〕The science or technology of light transmission through very fine, flexible glass or plastic fibers.纤维光学：通过细长而柔软的玻璃或塑料纤维来传导光信号的科学或技术美国传统〔fire alarm〕The signal, especially the noise, produced by such a device.火：由此类装备产生的信号，尤指嘈杂声美国传统〔flare〕The ship sent up distress flares to attract the attention of the coastguard.这艘船点起了遇险信号以引起海岸警衞队的注意。牛津高阶〔flare〕To signal with a blaze of light.用光发出信号美国传统〔gantry〕A similar spanning frame supporting a group of railway signals over several tracks.跨轨信号架：一种类似的跨距架，跨越多条轨道并安装了许多铁路信号美国传统〔give〕Don't move until I give the signal.我没有发信号你就别动。朗文当代〔goniometer〕A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.无线方向探测器：一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向美国传统〔gun〕The gun blasted and they were off.信号枪响起, 他们出发了。外研社新世纪〔hail〕To signal or call to a passing ship as a greeting or as an identification.打信号：向经过的船只发信号或打招呼，作为问候或识别美国传统〔hang〕Hang a right at the stoplight.到信号灯处向右拐。韦氏高阶〔high-low〕A signal chiefly in bridge for one's partner to lead a suit.大小信号：主要用于桥牌中的一种信号，鼓励同伴攻某种花色美国传统〔highball〕The conductor highballed and the train pulled out of the station.列车长发出开通信号,列车驶出车站。英汉大词典〔intersection〕Traffic lights have been placed at all major intersections.所有主要的交叉路口都安装了交通信号灯。牛津高阶〔jammed〕They will try to jam the transmissions electronically.他们会试图用电子信号对发射进行干扰。柯林斯高阶〔mainframe〕If a problem does occur, a signal is automatically sent to the mainframe.如果真的出现问题，就会有信号自动传送到主机。朗文当代〔mayday〕An international radiotelephone signal word used by aircraft and ships in distress.呼救信号：遇险的飞机、船只等使用的国际无线电呼救信号美国传统〔mess up〕The mountains messed up the cell phone signal.山脉干扰了手机信号。韦氏高阶〔mixed messages/signals〕She's sending mixed signals about her feelings.她表露出的情感信号很模糊。韦氏高阶〔monaural〕Electronics Relating to a system of transmitting, recording, or reproducing sound in which one or more sources are connected to a single channel; monophonic.【电子学】 单声道的：在播送、录音或制作声音系统中一个或多个信号源与一个声道相接的；单声道的美国传统〔monitor〕To check the quality or content of (an electronic audio or visual signal) by means of a receiver.监听，收听，收视：利用监听器或监视器来查验（电子视频或暗频信号的）质量或内容美国传统〔near〕The captain switched on the seat belt sign as we neared the airport.当我们靠近机场时机长打开了安全带信号灯。剑桥高阶〔orientation〕They had to adjust the antenna's orientation in order to receive a clear signal.他们必须调整天线方向以便接收清晰的信号。韦氏高阶〔overlook〕We overlook all sorts of warning signals about our own health.我们忽视有关自身健康的种种预警信号。柯林斯高阶〔over〕You can receive broadband over virtually the whole country.几乎整个国家都能接收到宽带传输信号。外研社新世纪〔preamplifier〕An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.前置放大器：电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度美国传统〔prearranged〕At a prearranged signal, everyone started moving forward.按预先商定的信号，每个人都开始向前移动。剑桥高阶〔pull〕The police car signalled to us to pull in.警车发出信号，要我们驶向路边停靠。牛津高阶〔react〕The firefighters reacted quickly when they heard the alarm.消防队员听到警报信号后迅速做出反应。韦氏高阶〔receive〕A satellite receives the signals and then sends them back to earth.卫星接收到信号，再把信号发回地面。韦氏高阶〔red light〕The red-colored light that signals traffic to stop.红灯：指示车辆停止前进的红色信号美国传统〔scaler〕An electronic circuit that records the aggregate of a specific number of signals that occur too rapidly to be recorded individually.计数器：一种总括记录成堆信号的电路，记录那些因传送太快以致不能单个记录下来的信号美国传统〔send〕Radio signals were sent into deep space.无线电信号被发送到深邃的太空。朗文当代〔signal〕A strong buy signal was issued to traders.交易员收到了强烈的买入信号。牛津搭配〔signal〕Don't fire until I signal.等我发出信号后再开枪。牛津高阶〔signal〕He was signalling (= giving a signal) with a red flag.他正用红色旗子发信号。剑桥高阶〔signal〕I couldn't get a signal on my cell phone.我的手机接收不到信号了。牛津高阶〔signal〕I signaled the driver to proceed.我打信号让那个司机通过美国传统〔signal〕In terms of their personal relationships, teachers have to be very careful not to send students the wrong signals.在个人关系方面，教师要特别谨慎，以免给学生发出错误的信号。麦克米伦高阶〔signal〕It is possible to jam GPS signals in battle.在作战时对全球定位系统的信号进行干扰是可能的。牛津搭配〔signal〕The display flashed a red warning signal .显示器闪了一下红色的警示信号。朗文当代〔signal〕The transmitter beams radio signals into space.发射机向太空发射无线电信号。韦氏高阶〔signal〕This will send the wrong signal to potential investors.这会给潜在投资者发出错误的信号。朗文当代〔signal〕When she gave (them) the signal, they all cheered.她发出信号后，他们都欢呼起来。剑桥高阶〔signal〕You must signal which way you are going to turn.你要朝哪个方向转，必须发出信号。牛津高阶〔sign〕Chest pains can be a warning signal of heart problems.胸部疼痛可能是心脏病的报警信号。牛津高阶〔sign〕He ignored the warning signs of mounting health problems.他忽视了接二连三的健康问题带来的警示信号。牛津搭配〔sign〕The people regarded the earthquake as a sign from God. 这些人把地震看作是上帝发出的信号。牛津搭配〔sign〕Wait until I give the sign.等我给你信号。朗文当代〔siren〕A device in which compressed air or steam is driven against a rotating perforated disk to create a loud, often wailing sound as a signal or warning.汽笛：一种装置，其中被压空气或蒸汽冲击一个旋转的有孔圆盘而产生巨大的、常常是尖锐的声音，作为信号或警报美国传统〔static〕Random noise, such as crackling in a receiver or specks on a television screen, produced by atmospheric disturbance of the signal.随机噪声：随机噪声，如接收器中的碎啪声或电视屏幕上的光斑，是由信号的大气干扰造成的美国传统〔target〕A railroad signal that indicates the position of a switch by its color, position, and shape.信号圆牌：一种铁路系统使用的标志符，通过其颜色、位置和形状显示一个道岔的位置美国传统〔tattoo〕A signal sounded on a drum or bugle to summon soldiers or sailors to their quarters at night.归营号：一种用鼓或军号奏出的命令士兵或水兵在夜晚返回其驻地的信号美国传统〔teletypewriter〕An electromechanical typewriter that either transmits or receives messages coded in electrical signals carried by telegraph or telephone wires.电传打字机：发送或接收通过电报或电话线传送的已编码成电信号信息的机电打字机美国传统〔traffic light〕The traffic lights changed to/turned green as we approached the junction.我们接近十字路口时，交通信号灯变成了绿色。剑桥高阶〔traffic light〕Turn left at the traffic lights.在交通信号灯处向左拐。牛津高阶〔transmission〕The equipment is used for the transmission of television signals.这个设备是用来传输电视信号的。韦氏高阶〔transmit〕The radio transmits on two different frequencies.这台收音机能播送两种不同频率的信号。韦氏高阶〔trough〕Physics A minimum point in a wave or an alternating signal.【物理学】 波谷：波或交错信号的最低点美国传统〔uncover〕Everyone uncovered when the signal sounded.信号响时,人人脱帽致敬。英汉大词典〔wagging〕The signalman on the ship wigwagged the good news to the other ship.那艘船上的信号员用旗语向另一艘船发送好消息。21世纪英汉〔wave trap〕An electronic filtering device designed to exclude unwanted signals or interference from a receiver.滤波器：电子过滤装置，设计用来排除接收器中不想要的信号或干扰美国传统〔whoosh〕He heard the whoosh of a flare being fired overhead.他听到信号弹“嗖”的一声在空中被引爆。外研社新世纪〔wigwag〕A message sent by this method.旗语信号，灯光信号：通过旗语、灯语或手势传达的消息美国传统〔wink〕The destroyer was winking urgently.驱逐舰打着紧急的灯光信号。英汉大词典Many TV and telephone signals are now distributed through optical fibres.现在许多电视和电话信号是通过光学纤维散布出去的。剑桥国际She turned on the radio and heard the five o'clock pips.她打开收音机听到了五点的报时信号音。剑桥国际The air traffic controller received a signal from the aircraft.空中交通管制人员收到了飞机发出的信号。剑桥国际The equipment sent out a regular high-pitched signal.这个装置发出有规律的高音信号。剑桥国际The picture quality is bad because the TV signal isn't powerful enough.图像效果不好，因为电视信号不强。剑桥国际The police officer held up his hand as a signal (for us to stop).警官举起手当作信号(让我们停下)。剑桥国际Within an hour of the ship transmitting an SOS (message/call), six boats had arrived and started a rescue operation.在这艘船发出紧急呼救信号后的一小时内，有六条船到达这里，并开始了救援工作。剑桥国际 |
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