基本解釋發(fā)現(xiàn)同根派生 discorery相關(guān)詞英漢例句The early discorery of excessive content of free chlorine in hydrogen chloride in the mixed gas for PVC production by carbide method 混合氣中氯化氫過氯的早期發(fā)現(xiàn)discorery更多例句