英语短语词组词汇first-class matter的音标、释义、翻译、用法及例句-英语短语词组词典

短语	first-class matter
释义	first-class matter [美国英语](第)一类邮件(邮递)
随便看	integral compensation integral control integral controller integral density integral discriminator integral domain integral dose integral equation integral equations integral function integral functions integral-furnace boiler integral hologram integralism integralist integralists integralities integrality integrally integral mode controller integral modem integral network integral operator integrals integral square error

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。