四色定理 [－－－－]

Jyutping sei3 sik1 ding6 lei5
Pinyin sì sè dìng lǐ

Definitions (Wiktionary)
  1. noun
    four color theorem
Examples (Wiktionary)
  1. Mandarin
    四色定理
    四色定理
    sì sè dìng lǐ
    • four color theorem