英语词汇“optional”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	optional
释义	Word Frequency optional (ˈɒpʃənəl) adjective possible but not compulsory; left to personal choice Derived forms optionally (ˈoptionally) adverb
随便看	shooting war shootist shoot one's bolt shoot oneself in the foot shoot one's load shoot one's mouth off shoot-out shoot out shoot the breeze shoot the bull shoot-the-chute shoot the sun shoot through shoot-to-disable shoot-to-kill shoot up shop shopaholic shopaholism shop around shop assistant shopboard shopbot shopboy shopbreaker

英语词典包含233703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。