埃迪卡拉纪āi dí kǎ lā jìaidikalajiEdiacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological eraCharacters in this word卡card, punch card埃fine dust拉to pull, to drag纪discipline, age迪to advance, to enlighten, to make progressStudy it in Yanamino