英语词汇under plain cover怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	under plain cover
释义	under plain cover 用未写明商号及内容等的信封邮寄
随便看	unidentified flying objects unidentified object unidimensional unidimensionalities unidimensionality unidirectional unidirectional antenna unidirectional coupler unidirectionalities unidirectionality unidirectional log-periodic antenna unidirectionally unidirectional pulse-amplitude modulation unidirectional pulses unidirectional replication unidirectional solidification unidirectional transducer UNIDO unidoes unidos uniface unifaces unifactorial unifiable unific

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。