单词	Sandmeyer reaction
释义	Sandmeyer reaction noun Sand·​mey·​er reaction ˈsan(d)ˌmī(ə)r- : a reaction for preparing aromatic halides or cyanides from a salt with a cuprous halide or cyanide as catalyst ortho-bromo-toluene can be made from ortho-toluene-diazonium bromide by the Sandmeyer reaction Word History Etymology after Traugott Sandmeyer †1922 Swiss chemist
随便看	cross cell cross cleavers cross code cross contamination cross correspondence cross counter cross dating cross direction Cross Dye Black RX cross education cross facet cross fault cross field cross fire cross fires cross flute cross flux cross fox cross grain cross guard cross heading cross infection cross keys cross kick cross liability

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。