基本解釋[化] 炔烴同根派生 ethynes相關(guān)詞英漢例句One-Pot Synthesis of Methylthio Aryl Ethynes by Double Elimination Protocol 雙消除法一鍋合成甲硫芳炔化合物Structural factors affecting the hydrogenation of ethynes in the presence of Cp_2 TiCl_2-i-PrMgBr Cp_2TiCl_2-i-PrMgBr體系中影響炔烴加氫反應(yīng)的結(jié)構(gòu)因素ethynes更多例句