单词	petahertz
释义	pet·a·hertz (pĕtə-hûrts′) n. Abbr. PHz One quadrillion (1015) hertz.
随便看	profiteer profiterole profitless profit sharing profit taking profligacy profligate profligately proform pro-form pro forma profound profoundly profoundness profundity profuse profusely profuseness profusion progenitor progenitor cell progeny progeria progestational progesterone

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。