单词	pyrocoll
释义	pyrocoll noun py·​ro·​coll ˈpīrōˌkäl plural -s : a crystalline tricyclic inner amide C10H6N2O2 obtained by the distillation of gelatin, glue, or leather scrap or by the dehydration of pyrrole-carboxylic acid with acetic anhydride Word History Etymology International Scientific Vocabulary pyr- + -coll
随便看	patrilocality patrimonial patrimonies patrimony Patrimony of Saint Peter patrin Patriofelis patriot patrioteer patriotic patriotic cover patriotically patriotics patriotism patriotisms patriots Patriots' Day patripassian Patripassianism patripassianist patripotestal patrisibs patristic Patristic Greek Patristic Latin

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。