单词	petahertz
释义	pet·a·hertz (pĕtə-hûrts′) n. Abbr. PHz One quadrillion (1015) hertz.
随便看	AV av. avail availability available availableness availably availingly avail of avail (oneself) of avail oneself of avalanche avalanche lily Avalon Avalon Peninsula avant-garde avant-gardism avant-gardist rose family rose fever rosefish rose geranium rose hip rosehip roselle

英语词典包含135693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。