🔍
奧
陶
系
奧
陶
系
Definitions3 characters
Ao4 tao2 xi4
Ordovician system (geology)
Usage•••frequent
Pronunciations
奧
陶
系

As word

1
Ao4
Ordovician system (geology)
2
tao2
Ordovician system (geology)
3
xi4
Ordovician system (geology)