常见例句用作形容詞 (adj.)Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields.在固躰氫氧化鈉存在下，鹵代烴及用氫化鈉與硒粉作用，在乙醇溶液中制得二烴基硒醚。 返回 dialkyl