Definition

Examples

• 介子是一种由夸克和反夸克组成的基本粒子。
  jiè zǐ shì yì zhǒng yóu kuākè hé fǎn kuākè zǔchéng de jīběn lìzǐ.
  A meson is an elementary particle composed of a quark and an antiquark.
• 物理学家在大型加速器中发现了新的介子。
  Wùlǐxuéjiā zài dàxíng jiāsùqì zhōng fāxiàn le xīn de jiè zǐ.
  Physicists discovered a new meson in a large accelerator.
• 介子的寿命非常短，很快就衰变成其他粒子。
  jiè zǐ de shòumìng fēicháng duǎn, hěn kuài jiù shuāibiàn chéng qítā lìzǐ.
  The lifetime of a meson is very short, and it quickly decays into other particles.