- 奧陶紀
- àotáojìthe Ordovician Period* * *Ao4 tao2 ji4Ordovician (geological period 495-440m years ago)* * *奧陶紀|奥陶纪 [Aò táo jì] ► Ordovician (geological period 495-440m years ago)
Chinese-English dictionary. Academic. 2013.
Chinese-English dictionary. Academic. 2013.