1. 词性和词义：signalling是个动词，意为“发信号”，也可以指“信号系统”或“通讯系统”。
例句：The train driver was signalling to the pengers that the train was about to depart. （火车司机向乘客发出火车即将启程的信号。）
The signalling system of the airport was upgraded last year. （机场的信号系统去年进行了升级。）
2. 形式和拼写： signalling也可以写作signaling，两者都是正确的形式，其中后者更常见一些。
例句：The signalling system in the factory malfunctioned, causing a delay in production. （工厂的信号系统出了故障，导致生产延迟。）
The air traffic controllers relied heavily on the signalling system to ensure safe takeoff and landing. （空中交通管制员严重依赖信号系统以确保安全起降。）
3. 用法和搭配： signalling常用于交通运输领域，如火车、地铁、飞机等，用以指示行进方向、速度、停车等；此外，在电信、电子工程领域也有广泛应用，如指示灯、警报、电话、网络等。
例句：The traffic officer was signalling the cars to stop and let the pedestrians cross the road. （向车辆发出停车信号，让行人过马路。）
The signalling equipment in the power plant was outdated and needed to be replaced. （电厂的信号设备过时了，需要更换。）
4. 衍生词和派生词： signalling可以派生出signal（名词或动词）、signaller（名词）等词汇。
例句：The manager gave the signal to start the meeting. （经理发出开始会议的信号。）
The signaller at the station was responsible for coordinating the trains’ movements. （站台上的信号员负责协调火车的运行。）
5. 行业和应用范围： signalling的应用范围较广，包括交通运输、电信、电力以及军事等领域。
例句：The military used signalling flags to communicate with each other during battle. （在战斗中使用信号旗进行通讯。）
The signalling system on the ship failed, causing the crew to lose communication with the s. （船上的信号系统故障了，导致船员与岸上失去了联系。）
signalling的意思是信号传递，传递信号的行为，例如通过手势、声音、光线等方式传达信息。
中文翻译：信号传递，信号通讯
读音：/ˈsɪɡnəlɪŋ/
例句：
1. The use of certain words and phrases can be a form of signalling one’s social status.
使用某些词汇和短语可以成为一种表明社会地位的信号。
2. The train driver uses signalling to ensure the safety of all pengers and crew.
列车司机使用信号传递确保所有乘客和机组人员的安全。
3. The bird’s bright feathers are a form of signalling to attract a mate.
鸟儿的鲜艳羽毛是吸引配偶的一种信号传递。
signalling在中文中有”计、发信号”的意思，还经常被翻译为信号传输法，在线读音是[‘si^nәliŋ]，signalling来源于英语，在《学生实用英汉双解大词典》中，共找到41个与signalling相关的例句。
1.计
例句:And just being clever enough to be accepted on to an MBA from a top institution is a useful signalling device for recruiters. (想要被最优秀的商学院MBA录取，让自己显得足够聪明对招聘人员来说是一个有用的信号。)
2.发信号
例句:Mandy started after him, signalling to Jesse to follow. (曼迪开始追赶他，示意杰西跟上。)
3.信号传输法
例句:Chapter 4 discusses the implementation of signalling exchange software of SIPG. (第四章给出了SIPG网关信令交换软件的实现。)
signalling一般作为名词使用，如在digital signalling(数字信令)、duplex signalling(双工收发)、emergency signalling(事故信号装置)等常见短语中出现较多。
1. Chapter 4 discusses the implementation of signalling exchange software of SIPG. (翻译:第四章给出了SIPG网关信令交换软件的实现。)
2. Is it signalling, like telegraphs? (翻译:他是像电报机一样在发信息吗？ )
3. Over the past two weeks, from Milan to Paris, that mysterious telepathy has been signalling skintight underpants that reach to the ankle. (翻译:在过去的两周，从米兰到巴黎，这种秘密的心电感应在关于低至踝关节的贴身上发出了相同信号。)
4. RGS proteins contain a conserved RGS-box, which is often accompanied by other signalling regulatory elements. (翻译:子蛋白质含有一个保守子盒，它往往伴随着其他信号调控元件。)
5. Shandy always won, signalling her victory with a series of licks to Jimmy’s face as she lay on top of him, panting. (翻译:她趴在吉米身上，晃动着尾巴，吉米的脸以炫耀自己的胜利。)
6. The Signalling System shall adopt Communications Based Train Control (CBTC) technology and support Unattended Train Operation (UTO). (翻译:信号系统须采用CBTC技术，以及能够支持车上无人的列车控制。)
7. Can inhibition of WNT signalling form the basis of an effective therapy for some cancers? (翻译:能够抑制Wnt信号的基础上形成一个有效的治疗一些癌症？)
8. One curiosity was that, statistically, the speed of movement of the right knee also appeared to be important in signalling dance quality. (翻译:从统计上看，右膝的运动速度似乎对于舞姿优美与否也很重要，这不禁让人好奇。)
9. The cilium therefore represents a nexus for signalling pathways during development. (翻译:纤毛因此代表了在开发过程中的信号通路的关系。)
10. Their signalling role, meanwhile, is often dismissed as symbolic. (翻译:与此同时，它们在发出信号方面的角色，往往被贬低为只是象征性的。)
11. Could activation of WNT signalling provide new therapies for other clinical conditions? (翻译:可激活Wnt信号提供的其他新疗法的临床条件？)
12. One DUP candidate, Ian Paisley junior, was unusually frank this week in signalling the party’s pragmatism. (翻译:一位DUP的候选人，老伊恩•佩斯利，本周在示意该党的实用主义时不同寻常地坦率。)
13. Last year, Rauscher reported that, for rats at least, a Mozart piano sonata seems to stimulate activity in three genes involved in nerve-cell signalling in the brain. (翻译:去年，Rauscher报告，至少对老鼠而言，一首莫扎特钢琴奏鸣曲似乎激活了涉及大脑里传输信号的神经细胞的三种基因。)
14. During neurogenesis and in early brain development, ectonucleotidases often downregulate purinergic signalling. (翻译:在神经发生和早期大脑发育过程中，外切核苷酸酶通常下调嘌呤能信号传导。)
15. Over the past two weeks, from Milan to Paris, that mysterious telepathy has been signalling skintight underpants that reach to the ankle. (翻译:在过去的两周，从米兰到巴黎，这种秘密的心电感应在关于低至踝关节的贴身上发出了相同信号。)
signalling作为名词的时候，其近义词以及反义词有0、signal/1、i/s、signallings等。
