牛顿第一运动定律
niú​dùn​dì​yī​yùn​dòng​dìng​lǜ

Newton's first law of motion

  1. 牛 niú
    phonetic
  2. 顿 dùn
    phonetic
  3. 第一 dì​yī numeral
    first
    occupying the lead position in a sequence, order, or ranking; the first
  4. 运动 yùn​dòng
    opaque (segment carries no independent meaning)
  5. 定律 dìng​lǜ noun
    scientific law
    A scientific law or established rule; a statement describing phenomena that has been proven through observation or experiment.