相關(guān)單詞近義詞 carboniferous period 石炭紀(jì), carbonic 碳的, carbonous 含碳的(石炭記的)..., carbonaceous 碳的臨近詞carbon, Carbonaro相似詞carbonate, carbonated, carbonic, carbonic acid, carbonize, carborundum, carbuncle, carburettor, 返回 carboniferous