英语词汇“三大发明”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	三大发明
释义	三大发明 sān dà fā míng中国古代的三种大的发明:火药、活字印刷和指南针the three major inventions by the Chinese——gunpowder, printing and compass三大發明
随便看	boron absorption method boron-absorption method boron absorption technique boron-absorption technique boron acceptor Boron acid boron addition boron alkyl boron alloy boron aluminium ooze Boron aluminizing boron-aluminizing boron-aluminum composite Boron aluminum phosphate binder boron amide boronamine complex boron amine complex boron-amine complex boron analyzer boron and boron-bearing materials boron and iron separation boron and molybdenum boron and water makeup system Boron and Zinc Boron and zinc microelement fertilizers