FAQs About the word air mail

航空邮件

mail that is sent by air transport

认证邮件,通信,邮件,挂号信,机场,卡,直邮,派发,废邮件,信

获取,接受

air lock => 气闸, air line => 航空公司, air level => 气液界面, air letter => 航空信笺, air lane => 航线,