permian period
短語詞組
- permian n period 二曡紀(jì);二疊紀(jì)
- later permian period 晚二曡世
- permian -carboniferous period 石炭系二曡系
- the later permian period 晚二曡世
- carboniferous -permian period 石炭二曡紀(jì)
- carboniferous period permian period 石炭
- permian to triassic period 二曡三曡紀(jì)
- lower permian period 下二曡紀(jì) 返回 permian period