tetraacetylethylenediamineWiktionary 原文构词拆分tetra-前缀Four.+acetyl词根/词干+ethylene词根/词干+diamine词根/词干词源说明From tetra- + acetyl + ethylene + diamine.释义（英文）名词 Noun(organic chemistry) An organic compound produced by acetylation of ethylenediamine, an important component of detergents and bleaches.