| 释义 |
signal1/ˈsiɡn(ə)l/ n. & v.●n. 1a a usu. pre-arranged sign conveying information, guidance, etc. esp. at a distance (尤指在一定距离内、通常事先已约定好的)信号，暗号 waved as a signal to begin 挥手示意开始 b a message made up of such signs (信号传达的)信息 signals made with flags 用旗子发出的信息 2 an immediate occasion for, or cause, of movement, action, etc. (运动、行动等的)起因，导火线 the uprising was a signal for repression 起义遭到了镇压 3 Electr. 【电】a an electrical impulse or impulses or radio waves transmitted or received (电子脉冲、无线电波等)信号 b a sequence of these 一连串电子信号 4 a light, semaphore, etc., on a railway giving instructions or warnings to train drivers etc. 交通信号灯，交通指示灯 5 Bridge a pre-arranged mode of bidding or play to convey information to one's partner 【桥牌】(向搭挡发出某种信息的)信号叫牌，信号牌 ●v. (signalled, signalling; US signaled, signaling) 1 intr. make signals 发信号 2 tr.a (often foll. by 常后跟 to + infin.) make signals to; direct 向…发出信号；用信号指示 b transmit (an order, information, etc.) by signal; announce 用信号传递(命令、信息等)；用信号宣布 signalled her agreement 她发出同意的信息; signalled that the town had been taken 发出城市已被攻占的信息 □ signaller n.[Middle English from Old French, via Romanic & medieval Latin signale, neut. of Late Latin signalis, from Latin signum SIGN] |