signal

signalsignalD.J.:[ˈsiɡnəl]K.K.:[ˈsɪɡnəl]n.1.■信号, 暗号Signals are made with flags or lamps.用旗或灯传递信号。2.■(无线电或电视所传送的)讯号, 讯息, 图像We live too far from the city to get a strong television signal.我们住的地方离城里太远, 不能收到清晰的电视图像。vt. & vi.1.■发信号; 用信号传达; 用信号通讯She is signaling.她正在发送信号。The submarine signaled for help.潜水艇发出求救的信号。She signaled the advance.她发出信号前进。She signaled that he was about to turn left.她打手势表示他就要转到左面去了。They signaled which way one is going to turn.他们打信号示意走哪一条路。He signaled a message to his brother.他用信号向他哥哥发信息。He signaled the waiter to bring the menu.他作手势要侍者拿菜单来。The conductor signaled the orchestra to rise.指挥打手势让乐队起立。Tom signaled his friend which way to go.汤姆示意他的朋友走哪条路。adj.1.■明显的, (非常)显著的, 非凡的This is a signal failure.这是明显的失败。People speak of Mark Twain as a signal humourous writer.人们称马克·吐温为杰出的幽默作家。

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signal['siɡnəl]n.1.■信号2.■暗号3.■动机，导火索；导因；近因4.■标志；表示5.■预兆，征兆6.■交通指示灯，交通信号灯，红绿灯7.■【铁路】信号机8.■[复数](橄榄球比赛中由前卫喊叫出表示某种打法的)号，号数9.■【电子学、无线电】(电波或声波)讯号10.■【桥牌】(叫牌或出牌)信号adj.1.■用作信号的，用于发信号的2.■出色的，非凡的；显要的，显著的vt.1.■给…发信号：to signal the headquarters向大本营发信号2.■用信号传递(信息)；用信号表示：to signal a message用信号发送消息3.■标志着，是…的标志；表示，表明：to signal a new historical period of标志着…的新历史时期vi.1.■发信号；用信号联络；用信号通讯：to signal with flags用旗语发信号to signal for help发信号求救变形vt.signalled或signaledsignalling或signaling

signalsignal[ˈsiɡnl]n.1.■信[暗]号; 信号器; 指令2.■近因, 动机, 导火线3.■预兆, 征象an area with a poor [an excellent] TV signal影象不清[极佳]的地区A red light is usually a signal of danger.红灯通常是危险的信号。They went into action at a given signal.在约定的信号发出时, 他们投入了战斗。What he said was the signal for the argument.他的那番话引起了这场争论。

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词性变化signal[ˈsiɡnl]adj.1.■暗号的, 作信号用的2.■显著的, 非常的, 重大的signal fire烽火signal flag信号旗signal gun信号枪a signal victory [achievement]重大的胜利[成就]signal[ˈsiɡnl]vt., vi.1.■(signal(l)ed; signal(l)ing)发信号, 用动作示意, 预示signal for help发求救信号A bell signals the end of a school period.铃声报知下课的时间。

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继承用法signal(l)ern.1.■信号兵; 信号装置signally[ˈsɪɡn(ə)lɪ]adv.1.■显著地, 非凡地signalment[ˈsɪɡnɚlmənt]n.1.■特征描述