V2EX pulse

Pulse

释义 Definition

“Pulse” 常指脉搏/脉冲:心脏跳动在动脉中产生的有节律的跳动;也可指有规律的波动或短暂的能量信号(如电流、光信号),引申为“(活动、情绪等的)律动/动向”。(另有较少见义:可指豆类作物“食用豆类”。)

发音 Pronunciation

/ pls /

例句 Examples

I can feel my pulse in my wrist.
我能感觉到手腕上的脉搏。

The city’s pulse quickened as night fell, with music drifting from crowded streets and neon lights flashing in steady rhythms.
夜幕降临时,这座城市的“脉动”加快了:拥挤街道上传来音乐,霓虹灯以稳定的节奏闪烁。

词源 Etymology

“Pulse” 来自拉丁语 pulsus(“推动、敲击、搏动”),与 pellere(“推动、驱赶”)相关。词义从“敲击/推动”发展为“心脏跳动引起的脉搏”,再扩展到“信号的脉冲”和“整体的律动/动向”等抽象用法。

相关词 Related Words

文学作品 Literary Works

  • Dracula(Bram Stoker)中多次出现对人物“pulse(脉搏)”的描写,用于营造紧张与恐惧氛围。
  • The Adventures of Sherlock Holmes(Arthur Conan Doyle)常以“pulse”描写人物生理反应,辅助刻画情绪与压力。
  • Pride and Prejudice(Jane Austen)中可见“pulse”用于表达激动、紧张等情绪引发的身体反应。
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