单词	ultragaseous
释义	ultragaseous adjective ul·​tra·​gaseous "+ : having the properties exhibited by gases under pressures of one millionth of an atmosphere or less Word History Etymology ultra- + gaseous
随便看	penumbral penumbral lunar eclipse penumbras penuries penurious penuriously penuriousness penuriousnesses penury Penutian penutians penwoman penwomen penwrite Penza Penzance penzhina Penzhinskaya Penzias peon peonage peonages peones peonidin peonies

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。