第四纪

第四纪

fourth period

2 meanings
MEANING2 meanings

MEANING

  1. numeral

    fourth period

    • The Quaternary is a period in geological time.

  2. noun

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

    • The Quaternary is the most recent period of geological time.

STROKE ORDER
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解字

CHARACTER ANALYSIS

Ancient people used bamboo slips to mark order, like arranging siblings by rank and role.

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