| 单词 | signal |
| 释义 | signalsignalssignalsignal1 /ˈsɪgnəl/ noun [countable]1a sound or something that you do to give information or to tell someone to do somethingsignal (for somebody) to do somethingThat was the signal for me to switch out the lights.belight 那是让我关灯的信号。The headmaster gave the signal to start.give校长示意开始。2something which shows what someone feels, what exists, or what is likely to happensignal thatThe result is a clear signal that voters are not happy.bevoterbe 这一结果清楚显示选民不满意。This will send the wrong signal to potential investors.investor这会给潜在投资者错误的信号。3a series of light waves, sound waves etc that carry information to a radio, television etcsend/transmit/emit a signalSignals are sent via satellite.signalbesend 讯号是通过卫星传送的。receive/pick up/detect a signala small antenna which receives radio signalsreceivesignal接收无线电讯号的小型天线4a piece of equipment that tells a train driver whether to go or stop ➔ turn signalTHESAURUS: signalsign (2)sign an event or fact that shows that something exists or will happen: There were no obvious signs of injury.besignindication a sign. Indication is more formal than sign: The announcement is a clear indication of the government’s intention to deal with the problem.besymptom a sign that someone has an illness or that a serious problem exists: Loss of appetite is a symptom of many diseases.bediseasesignal a sign that shows that you should do something, or that you have a particular attitude: This punishment sends out the wrong signal to other drink drivers.senddriver |
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