Definition

Examples

• 空气中的微粒对人体有害。
  Kōngqì zhōng de wēi lì duì réntǐ yǒuhài.
  Particles in the air are harmful to the human body.
• 物理学家用显微镜观察微粒。
  Wùlǐxuéjiā yòng xiǎnwēijìng guānchá wēi lì.
  Physicists use microscopes to observe particles.
• 这种微粒的直径只有几纳米。
  Zhè zhǒng wēi lì de zhíjìng zhǐyǒu jǐ nàmǐ.
  The diameter of this kind of particle is only a few nanometers.