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adj.多环的，多相的
1、polychrome jasper───多色碧玉
2、polychlorinated biphenyls───多氯联苯；[化] 多氯化联苯
3、ampelite polycarbonate───ampelite聚碳酸酯
4、fusing polycarbonate───熔融聚碳酸酯
5、polycystic ovary syndrome───[医]多囊性卵巢综合征；多囊卵巢综合征
6、polychaeta phylum───多毛纲
7、polychaeta key───多毛钥匙
8、gnaphalium polycephalum 6x───多头黑麦草6x
9、tubicolous polychaetes───管状多毛类
10、euphorbia polychroma───多色大戟
1、On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.───在地球上，烤糊的面包和汽车尾气里都含有稠环芳烃。
2、More work is needed to uncover whether such a core exists or whether the polycyclic compounds result from the drastic treatments.───为了揭开这样一种芳核是否存在，或者多环化合物是不是由于剧烈处理所引起的问题，必须进行大量的工作。
3、Wisps of green are organic molecules called Polycyclic Aromatic Hydrocarbons (PAHs) that have been illuminated by the nearby star formation.───丝状绿色结构是星云中的多环芳香烃有机物被邻近的恒星照亮的结果。
4、Polycyclic aromatic hydrocarbon in aerosols is one of the most harmful pollution to people's health.───大气气溶胶中的多环芳烃是对人体健康危害最大的环境污染物之一。
5、This arc is made up primarily of organic compounds called polycyclic aromatic hydrocarbons, which glow on the surface of the cloud.───这个弧形主要由稠环芳烃构成，这些有机化合物在云雾区域的表面发光。
6、Semiconductive polymers include polymers or copolymers derived from thiophenes, pyrroles, anilines, and polycyclic heteroaromatics.───半导体聚合物包括源自噻吩、吡咯、苯胺和多环杂芳族化合物的聚合物或共聚物。
7、The green indicates the presence of complex molecules called polycyclic aromatic hydrocarbons.───绿色则表明了大分子多环芳香烃的存在。
8、Pollutants in cigarettes called PAHs (polycyclic aromatic hydrocarbons) can cause genetic damage in minutes.───香烟中的污染物质PAHs(多环芳香烃)会在几分钟内对基因造成损害。
9、Polycyclic aromatic hydrocarbons (PAHs) are known as toxic, mutagenic, carcinogenic and persistence organic contaminants in the environment.───多环芳烃是一类普遍存在于环境中的难降解的危险性“三致”有机污染物。