pentupn.被拦住的(壅高的；被抑制的)pentadj.被关押的；被禁锢的动词pen的过去式和过去分词形式.pentaaminedinitrogen ruthenium II chloride[化] 二氯化双氮·五氨合钌IIPentamethylpentadienyl titanium trichloride五甲基单茂钛pentaerythritol diphosphate of diethylamine季戊四醇双磷酸酯二乙胺盐Pentachlorophenol is a crystalline solid.五氯酚是结晶固体。Pentaerythritol-dihydrogenphosphate melamine季戊四醇双磷酸蜜胺盐pentaerythritol acrylate polyfunctional mono-mer季戊四醇丙烯酸酯多官能单体