常见例句用作形容词 (adj.)Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields.在固体氢氧化钠存在下，卤代烃及用氢化钠与硒粉作用，在乙醇溶液中制得二烃基硒醚。 返回 dialkyl