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单词	PETN
释义	PETN (pē′ē′tē′ĕn) n. A highly explosive chemical, C5H8N4O12, used in ammunition, detonators, and plastic explosives. [p(enta)e(rythritol) t(etra)n(itrate).]
随便看	subindex subinfeud subinfeudate subinfeudation subinfeudatory subirrigate subirrigation subito subj. subjacency subjacent subject subjection subjective subjective idealism subjectively subjectiveness subjectivism subjectivist subjectivistic subjectivity subject matter subjoin subjoinder sub judice

英语词典包含135693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。