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brownian motion

/ˈbraʊniən ˈmoʊʃən/

翻译: 布朗运动是指悬浮在液体或气体中的微小颗粒由于周围分子不断碰撞而产生的无规则、连续运动。它是物理学和化学中的基本概念,为原子和分子的存在提供了有力证据。

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/ˈbraʊniən ˈmoʊʃən/C1formalscientific
  • zh布朗运动是指悬浮在液体或气体中的微小颗粒由于周围分子不断碰撞而产生的无规则、连续运动。它是物理学和化学中的基本概念,为原子和分子的存在提供了有力证据。

The random, erratic movement of microscopic particles suspended in a fluid (liquid or gas), caused by collisions with molecules of the surrounding medium. It is a key concept in physics and chemistry, providing evidence for the existence of atoms and molecules.

  1. Random particle movementC1formal

    The random, erratic movement of microscopic particles suspended in a fluid (liquid or gas) caused by collisions with fast-moving molecules.

    zh布朗运动

    • Brownian motion explains why pollen grains dance in water.
    • The scientist observed Brownian motion under a microscope.
    • Einstein's paper on Brownian motion provided evidence for atoms.