单词	囘聲
释义	同ECHO
随便看	obrogate o-bromoacetophenone o-bromoaniline o-bromoanisole o-bromobenzenesulfonic acid o-bromobenzyl chloride o-bromoiodobenzene o-bromonitrobenzene o-bromophenic acid o-bromophenic acid-- o-bromophenol o-bromophenic acid; o-bromophenol o-bromophenol o-bromophenyl p-toluene sulfonate o-bromotoluene o-bromotuluene obr--optical bar code reader obrovac obruchevite o bruise o brush obs obs. obscene obscene abuse obscene affairs