英语词汇“ephemeris second”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ephemeris second
释义	ephemeris second Astron. the unit of ephemeris time, defined as a precise fraction of the length of the tropical year 1900. [1965-70]
随便看	microsecond microsegment microseism microsleep microsociology microsome microspectrophotometer microsporangium microspore microsporocyte microsporophyll microstat microstate microstethoscope supersolicitation supersonic supersonics supersonic transport supersophisticated supersovereign supersovereignty superspecial superspecialization superspecialize superspecies

英语词典包含168451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。