二
疊
紀
二
疊
紀
Definitions3 charactersPermian (geological 292-250m ago)
Usage•••frequent
Pronunciations
二
疊
紀
As word
1Permian (geological period 292-250m years ago)
2Permian (geological period 292-250m years ago)
3Permian (geological period 292-250m years ago)
