单词	1,4-二溴丁烷
释义	1,4-二溴丁烷医1,4-dibromo butane
随便看	single level device single-level device single level directory single-leveled rigidity single level encoding microinstruction single-level encoding microinstruction single-level exercise single-level explosion single-level formula single level gate single level indicator method single level machine single-level machine singlelevel memory single level memory single-level memory singlelevel mold singlelevel mould single-level network single level pegging single-level pegging single-level perceptual organ single level polysilicon single level process single-level taught