埃迪卡拉紀 [－－－－纪]

Jyutping aai1 dik6 kaa1 laai1 gei2
Pinyin āi dí kǎ lā jì

Definitions (CC-CEDICT)
  1. Ediacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological era
Definitions (Wiktionary)
  1. name
    the Ediacaran period (part of the Neoproterozoic era, spanning from 635 to 541 million years ago)