基本解釋n.科坦同根派生 Cottan相關(guān)詞英漢例句Keywords Cottan stalk cellulose;Azacrown ether cellulose;Anion exchanger;Ion exchange; 棉桿纖維;氮襍冠醚化纖維素;隂離子交換劑;離子交換;Cottan更多例句