中奧陶世

From Wiktionary, the free dictionary
Jump to navigation Jump to search

Chinese[edit]

 
middle; centre; within
middle; centre; within; among; in; while (doing sth); during; China; Chinese; hit (the mark)
the Ordovician epoch
trad. (中奧陶世) 奧陶
simp. (中奥陶世) 奥陶

Pronunciation[edit]


Proper noun[edit]

中奧陶世

  1. (geology) the Middle Ordovician epoch (part of the Ordovician period, spanning from 470 to 458.4 million years ago)