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	cardinal flower cardinal flowers cardinal heading cardinalities cardinality cardinally cardinal number cardinal numbers cardinal points cardinal power cardinal product cardinal red cardinal-red cardinals cardinal's hat cardinalship cardinalships cardinal sins cardinal sum cardinal teeth cardinal vein cardinal veins cardinal virtues cardinal vowel card index

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。