奥陶系 ào táo xì

DEFINITIONS

  1. Ordovician system (geology)
  2. see 奧陶紀|奥陶纪

CHARACTERS

奥 ào
HSK 6
mysterious, obscure, profound
陶 táo
HSK 6
pottery, ceramics
系 xì
HSK 1
system; line, link, connection