signaling

柯林斯词典

signal /ˈsɪɡnəl/ (signalling,signalled,signals)

• 1. N-COUNT A signal is a gesture, sound, or action which is intended to give a particular message to the person who sees or hears it. 信号

  They fired three distress signals. 他们发射了3次遇难求救信号。

  As soon as it was dark, Mrs. Evans gave the signal. 天一黑，埃文斯夫人就发出了那个信号。

• 2. V-T/V-I If you signal to someone, you make a gesture or sound in order to send them a particular message. (打手势或发声音) 向…示意; 发信号

  Mandy started after him, signalling to Jesse to follow. 曼迪开始追赶他，示意杰西跟上。

  She signalled to Ted that she was moving forward. 她向特德示意她要向前走。

• 3. N-COUNT If an event or action is a signal of something, it suggests that this thing exists or is going to happen. 信号

  Kurdish leaders saw the visit as an important signal of support. 库尔德领导人把这次访问看作是表示支持的重要信号。

• 4. V-T If someone or something signals an event, they suggest that the event is happening or likely to happen. 表示

  He seemed to be signalling important shifts in U.S. government policy. 他似乎在表示美国政府的政策将会有些重大变化。

• 5. N-COUNT A signal is a piece of equipment beside a railway, which indicates to train drivers whether they should stop the train or not. 铁路的信号灯

  A signal failure contributed to the crash. 信号灯故障导致了这次撞车事故。

• 6. N-COUNT A signal is a series of radio waves, light waves, or changes in electrical current which may carry information. (传输信息的无线电、光波或电流) 信号

  ...high-frequency radio signals. …高频无线电信号。

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