Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
DIFOTINS
abbr.
abbr.
duty under instruction
abbr., mil., avia.
duty under instruction in a flying status involving operational or training flights
Add
|
Report an error
|
Get short URL
|
Language Selection Tips