读音

/ˈsɪɡnəl/

释义

• 名词:

  • 信号，标志，指示：A visual, audible, or other means of conveying information, such as a traffic signal or a communication in code.
  • 信号（通信）：A coded message sent by telegraph, radio, television, or other means of communication.
  • 生物信号：A chemical or physical cue that triggers a response in a cell or organism.

• 动词:

  • 发送信号：To communicate with or give a signal to someone, especially through a specific medium.
  • 指示，示意：To indicate or show something, often with gestures or lights.

短语

• “Signal for help” 意为发出求救信号。
• “Signal intent” 表示传达意图或目的的信号。
• “Signal a change” 意味着通过某种信号表明变化即将发生。

例句

• 名词: “The red light is a signal to stop.”
• 动词: “He signaled the waiter for another drink.”
• 感叹词: “In the old days, sailors would signal each other using flags.”

同义词

• Sign
• Indicator
• Marker
• Communication
• Cue