airmail
US /ˈer.meɪl/
UK /ˈer.meɪl/
1.
thư hàng không
send (mail) by aircraft.
:
•
a recent letter that I airmailed to Miss Sifton
1.
thư hàng không
a system of transporting mail by aircraft, typically overseas.
:
•
instructions were sent by airmail