organumn.复音乐曲；推理法；工具论organn.器官；风琴；机构；喉舌；报刊organometallic copolymer有机共聚物organometallic catalytic金属有机催化organophosphorus residue有机磷残留organomercurial compound有机汞化合物organa genitalia virilia男生殖器organophosphate compound有机磷化合物organometallic compounds有机金属化合物Organochlorinepesticides有机氯农药organochromium compounds含铬有机化合物organochlorine pollutant有机氯污染物