英语词汇fourth-class matter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	fourth-class matter
释义	fourth-class matter [美国英语]第四类邮件(商品或邮件超过16英两者)
随便看	inertly inert matter inertness inertnesses inert primer inert type inescapabilities inescapability inescapable inescapableness inescapably in escrow inesculent inesite in especial -iness in esse in essence inessential inessentialities inessentiality inessentials inessive inessives inestimability

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。