noun🔗Share信号，讯号 A sequence of states representing an encoded message in a communication channel."The blinking lights on the modem sent signals indicating that the internet connection was working. "调制解调器上闪烁的灯光发出了信号，表明互联网连接正常。communicationsignalelectronicstechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号 Any variation of a quantity or change in an entity over time that conveys information upon detection."The flashing red lights on the school bus are signals that it's time to get on. "校车上闪烁的红灯是提示孩子们该上车的信号。communicationelectronicssignaltechnologyphysicsscienceinfoChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号。 A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action."The crossing guard uses hand signals to stop traffic so children can safely walk to school. "交通管理员用手势信号示意车辆停下，这样孩子们就可以安全地走到学校。communicationsignalsignactionChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号 An on-off light, semaphore, or other device used to give an indication to another person."The train conductor checked the signals before starting the train. "火车司机在启动火车前检查了信号灯。signaldevicecommunicationelectronicstechnologymachineelectricChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号 (of a radio, TV, telephone, internet, etc.) An electromagnetic action, normally a voltage that is a function of time, that conveys the information of the radio or TV program or of communication with another party."The radio signals were weak, so we couldn't hear the music clearly. "收音机的信号很弱，所以我们听不清楚音乐。signaltechnologyelectronicscommunicationinternetmediatechnicalfrequencyChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号 An action, change or process done to convey information and thus reduce uncertainty."The flashing red light signals the end of the school day. "闪烁的红灯发出信号，表示放学时间到了。communicationtechnologysignalelectronicsChat with AIVocabulary GamePractice Reading
noun🔗Share信号，迹象，预兆。 A token; an indication; a foreshadowing; a sign."The dark clouds were signals of an approaching storm. "乌云密布是暴风雨即将来临的预兆。signcommunicationsignalChat with AIVocabulary GamePractice Reading
noun🔗Share信号，信息。 Useful information, as opposed to noise."Despite the static, the radio still picked up clear signals from the weather station, helping us prepare for the storm. "尽管有噪音干扰，收音机仍然接收到了来自气象站的清晰信号，这些有用信息帮助我们做好了应对暴风雨的准备。communicationsignaltechnologyelectronicsinfoChat with AIVocabulary GamePractice Reading
noun🔗Share信号，讯号。 A simple interprocess communication used to notify a process or thread of an occurrence."The computer program uses signals to let the user know when it finishes loading a file. "这个电脑程序使用信号来告知用户文件何时加载完成。computingtechnologycommunicationsignalprocesssystemChat with AIVocabulary GamePractice Reading
noun🔗Share信号, 细胞信号。 A signalling interaction between cells"The signals between the nerve cells allowed Maria to quickly pull her hand away from the hot stove. "神经细胞之间的信号使玛丽亚能够迅速地把手从热炉子上移开。biologybiochemistryphysiologysignalmedicineChat with AIVocabulary GamePractice Reading
verb🔗Share发信号，示意. To indicate; to convey or communicate by a signal."The teacher signals the start of the test by raising her hand. "老师举起手，示意考试开始。communicationsignaltechnologyChat with AIVocabulary GamePractice Reading
verb🔗Share发出信号，示意. To communicate with (a person or system) by a signal."Seeing the flames, he ran to the control room and signalled headquarters."看到火焰后，他跑到控制室，向总部发出了信号。communicationsignaltechnologyChat with AIVocabulary GamePractice Reading
