埃迪卡拉 āi dí kǎ lā

DEFINITIONS

  1. Ediacaran (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