单词	rockface
释义	rock·face (rŏkfās′) n. A vertical surface of rock, as on a mountainside.
随便看	nowhither no-win nowise nowness noxious noxiously noxiousness Noyes nozzle Np NP NPN NPO NPR NRA NRC NREM sleep NRTI N/S ns NS NSA NSAID NSC NSE

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。