英语词汇upsilon particle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	upsilon particle
释义	upsilon particlen.（名词） An electrically neutral meson having a mass 18,513 times that of the electron and a mean lifetime of approximately 8.0 × 10^-20 seconds. γ微粒：为电中性的介子，其质量是电子的18,513倍，平均寿命约为8.0 * 10-²⁰ 秒
随便看	high-rise high-risk highroad high roller highs high school high seas high sign high-sounding high-speed high-spirited high stick high-stick high-sticking high street high-strung high style hight hight hightail high tea high tech high-tech high technology high-tension

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。