埃迪卡拉紀 āi dí kǎ lā jì

DEFINITIONS

  1. Ediacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological era

CHARACTERS

埃 āi fine dust, dirt
迪 dí enlighten, advance; progress
卡 kǎ
HSK 3
card, punch card; calorie
拉 lā
HSK 4
pull, drag; seize, hold; lengthen
紀 jì record, annal, historical account