V2EX air resistance

Air Resistance

释义 Definition

空气阻力:物体在空气中运动时,空气对其产生的反向阻碍力,通常会减慢速度;其大小常与速度、形状、迎风面积等有关。(在物理与运动语境中也常称 drag。)

发音 Pronunciation (IPA)

/e(r) rzstns/

例句 Examples

Air resistance slows a falling leaf.
空气阻力会减慢下落的树叶。

At high speeds, air resistance increases dramatically, so engineers streamline vehicles to reduce it and improve efficiency.
在高速情况下,空气阻力会显著增大,因此工程师会把车辆设计得更流线,以降低阻力并提高效率。

词源 Etymology

air 来自古英语 er,指“空气”;resistance 来自拉丁语 resisterere- “向后/反对” + sistere “站立”),本义为“抵抗、反对”。合起来即“来自空气的抵抗力”,在近代科学语境中固定用于描述流体(尤其是空气)对运动物体的阻碍作用。

相关词 Related Words

文学作品 Literary Works

  • F. Scott Fitzgerald, The Great Gatsby(作品中出现“air”与“resistance”等词汇;“air resistance”作为专门物理术语并不常见于该类小说语体)
  • H. G. Wells, The War of the Worlds(涉及速度、空气与力等描写;“air resistance”在科学化叙述中更常以“drag/air drag”等形式出现)
  • Arthur Conan Doyle, The Lost World(含科学探险语境,可能出现与空气、阻力、运动相关的表述;具体版本与注释本中术语呈现可能不同)
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