英语词汇“upsilon meson”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	upsilon meson
释义	upsilon meson upsilon meson n. An electrically neutral meson consisting of a bottom quark and a bottom antiquark and having a mass 18,513 times that of the electron and a mean lifetime of about 1.2 × 10^-20 second. EncyclopediaSeeupsilon particle
随便看	inch^3 inch across inch across it inch across something inch along inch along it inch along something inchamber in chambers inchan in chancery inchangeability in-channel frequency response inchant inchar in character in charge incharge education foundation incharge information model in charge (of in charge of in charge of (something) incharitable incharity iayl

英语词典包含2567994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。