V2EX diaphragm

Diaphragm

释义 Definition

diaphragm 是一个名词,主要指膈肌(横膈膜),即胸腔与腹腔之间的一层肌肉组织,是呼吸运动中最重要的肌肉。此外,该词也可指各种隔膜、膜片,如麦克风或扬声器中的振动膜,以及照相机中的光圈

发音 Pronunciation

/da..frm/

例句 Examples

The doctor asked me to breathe deeply so he could check my diaphragm.
医生让我深呼吸,以便检查我的膈肌。

A singer must learn to control the diaphragm in order to sustain long, powerful notes without straining the throat.
歌手必须学会控制膈肌,才能在不损伤喉咙的情况下发出持久而有力的音符。

词源 Etymology

该词源自晚期拉丁语 diaphragma,再往前追溯至希腊语 diáphragma(διφραγμα),由 **dia-**(穿过、隔开)和 phrágma(围栏、屏障)组合而成,字面意思是"隔开的屏障"。这个词最初在解剖学中用来描述将胸腔与腹腔分隔开的那层肌肉膜,后来引申到各种起隔离或振动作用的薄膜结构。

相关词汇 Related Words

文学作品引用 Literary References

  • 在沃尔特惠特曼(Walt Whitman)的诗集《草叶集》(Leaves of Grass)中,多次涉及身体与呼吸的意象,diaphragm 作为呼吸核心器官常被间接提及。
  • 在医学经典著作如亨利格雷(Henry Gray)的《格雷解剖学》(Gray's Anatomy)中,diaphragm 是重点描述的解剖结构之一。
  • 在奥利弗萨克斯(Oliver Sacks)的《音乐嗜好》(Musicophilia)中,讨论了膈肌在发声与音乐表演中的关键作用。
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