单词	twenty-firster
释义	twenty-firster noun twenty-first·​er plural -s : the celebration of a 21st birthday Word History Etymology twenty-first + -er
随便看	normal moisture capacity normal orthogonal normal overlap normal pitch normal place normal pressure normal run of normal school normal state normal tax normal valence normal volume normal/ordinary course of events normalcies normalcy normaler normalest normalisable normalisation normalisations normalise normalised normaliser normalisers normalises

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。