第四紀 dì sì jì

Quaternary period in geology

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. quaternary (geological period covering the recent ice ages over the last 180,000 years)
  2. 2. fourth period

Characters

Character Meaning
marker for ordinal numbers, like first, second
four; 4
order; discipline; era