V2EX pinion

Pinion

定义 Definition

  1. (鸟的)翅膀、翅羽:尤指鸟翼外侧用于飞行的主要羽毛或翅的部分。
  2. (机械)小齿轮、主动齿轮(pinion gear):与较大的齿轮(gear / rack)啮合,用来传递动力或改变运动方向。
    补充: pinion 也可作动词,表示“绑住手臂使不能动;压制、束缚”。

例句 Examples

The pinion drives the larger gear.
小齿轮带动大齿轮运转。

In the old clock, a worn pinion meshed with the rack, and the whole mechanism began to slip and lose time.
在那座老钟里,一个磨损的小齿轮与齿条啮合,整个机构开始打滑,走时也变得不准了。

发音 Pronunciation

/pnjn/

词源 Etymology

pinion 来自古法语 pignon,原意与“尖端、突起”有关,后来一方面用于指鸟翼的“飞行羽/翅部”,另一方面也用于机械领域,指“像突起一样咬合传动的小齿轮”。同源词在工程语境中常与齿轮啮合结构一起出现。

相关词 Related Words

文学作品 Literary Works

  • **《简爱》 (Jane Eyre, Charlotte Bront)**:书中出现 pinion 的用法(多为动词义“束缚/绑住”一类的表达),用于强调人物被压抑或受制的处境。
  • **《白鲸》 (Moby-Dick, Herman Melville)**:作品中常见航海与身体、束缚相关的描写语汇,包含 pinion(常见为动词义)来营造紧张、受困的画面感。
  • **《失乐园》 (Paradise Lost, John Milton)**:史诗性英语中偶见 pinion 指“翅膀/翼”,用于描绘天使等形象的飞行与力量感。
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