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单词	PETN
释义	PETN noun ˌpē-ˌē-ˌtē-ˈen  : a crystalline ester C5H8N4O12 used as a powerful high explosive and medically in the treatment of angina pectoris … the experts determined that its explosive content was identical to that of the Honolulu bomb—PETN, an explosive undetectable by X-ray. Steven Emerson called also pentaerythritol tetranitrate Word History Etymology pentaerythritol tetranitrate First Known Use 1944, in the meaning defined above
随便看	Amanayé amanayés amand amandine amandines amang amani amanis Amanist amanita amanitae amanitas amanitin amanitins Amanitopsis Amano amanori amanous amantadine amantadines amanuenses amanuensis Amapá Amara amaracuses

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。