signal
n.信号;暗号 v.以动作示意;发信号通知
释义2:
signal
/ 5siɡnEl /
signal¹◙ noun1. a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned• 信号;暗号 »the firing of the gun was the signal for a chain of beacons to be lit. 开枪是接连点燃烽火的信号。 »[with infinitive] the policeman raised his hand as a signal to stop. 警察举起手,示意停下。 an indication of a situation• 指示;表示 »the markets are waiting for a clear signal about the direction of policy. 市场正等待着一个明确的政策动向。 an event or statement that provides the impulse or occasion for something specified to happen• 起因;导火线 »the champion's announcement that he was retiring was the signal for scores of journalists to gather at his last match. 这位冠军宣布他将退役,这就是那么多记者出席他最后一场比赛的起因。 an apparatus on a railway, typically a coloured light or a semaphore, giving indications to train drivers of whether or not the line is clear• (铁路上的)信号灯 [Bridge] a pre-arranged convention of bidding or play intended to convey information to one's partner• [桥牌] 信号2. an electrical impulse or radio wave transmitted or received• (电脉冲或无线电波传递或接收的)信号 »equipment for receiving TV signals. 接收电视信号的设备。◙ (signalled, signalling; 美 signaled, signaling)1. [no obj.] transmit information or instructions by means of a gesture, action, or sound• 用信号传递信息(或指示);发信号 »hold your fire until I signal. 在我发信号之前,一直举着火把。 [with obj. and infinitive] instruct (someone) to do something by means of gestures or signs rather than explicit orders• (用信号)示意 »she signalled Charlotte to be silent. 她示意夏洛特不要说话。 (of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm or flashing indicator• (骑自行车者,驾驶司机,交通工具)打信号(以示转向) »[with complement] Stone signalled right. 斯通打出右转的信号。 »[with infinitive] the truck signalled to turn left. 卡车打出左转的信号。 [with obj.] indicate the existence or occurrence of (something) by actions or sounds• (用举动或声音)表示,表明 »the Community could signal displeasure by refusing to cooperate. 该社区可以通过拒绝合作来表明自己的不悦。 [with clause] give an indication of a state of affairs• 指示,表明 »she gave a glance which signalled that her father was being secretive. 她瞥了一眼,暗示她父亲不坦率。【派生】
♦ signaller noun【语源】
1. late Middle English: from Old French, from medieval Latin signale, neuter of late Latin signalis, from Latin signum 'mark, token' (see sign ). The verb dates from the early 19th cent
signal²◙ adjective1. [attrib.] striking in extent, seriousness, or importance; outstanding • 明显的;显著的;显要的;出色的 »he attacked the government for their signal failure of leadership. 他攻击政府明显无能领导。【派生】
♦ signally adverb【语源】
1. early 17th cent.: from French signalé, from the Italian past participle segnalato 'distinguished, made illustrious', from segnale 'a signal'
俄语/英语字母转换