单词	thirty-thirty
释义	thirty-thirty noun thir·​ty-thir·​ty ˌthər-tē-ˈthər-tē  : a rifle that fires a .30 caliber cartridge having a 30 grain powder charge —usually written .30–30 Word History First Known Use 1929, in the meaning defined above
随便看	basic substance weight basic training basic trainings basic wage basic weight basic yield basic-lined basically basiccer basiccest basicer basicest basichromatic basicities basicity basics basidi- basidia basidial basidigitale basidigitalia basidio- basidiocarp basidiocarps basidiolichen

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。