读音

/pʌls/

释义

• 名词:

  • 心跳；脉搏。例如: “He felt his own pulse racing with excitement.”
  • 电子信号的脉冲；波形。例如: “The computer sends and receives data through electrical pulses.”

• 动词:

  • 感觉或检测脉搏。例如: “The doctor asked him to pulse his wrist for a moment.”
  • 发送或产生脉冲。例如: “The laser gun pulsed a beam of light.”

短语

• “Pulse rate” 指的是每分钟的心跳次数。
• “Pulse width modulation” (PWM) 是一种电子技术，通过改变脉冲的宽度来调节信号的平均值。

例句

• 名词: “The athlete’s strong and steady pulse indicated good physical condition.”
• 动词: “The nurse pulsed the patient’s neck to check their vital signs.”
• 感叹词: (不常见作为感叹词使用，通常作为名词或动词)

同义词

• Heartbeat
• Throb
• Beat
• Impulse
• Fluctuation