短語(yǔ)詞組短語(yǔ)Carboniferous glaciation 石炭紀(jì)冰期Period carboniferous 石炭紀(jì)carboniferous limestone 石炭紀(jì)石灰?guī)rcarboniferous age 石炭紀(jì)carboniferous material 含碳物質(zhì)carboniferous formations 石炭系地層Carboniferous Pediod 石炭紀(jì)carboniferous period 石炭紀(jì) 返回 carboniferous