Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
English
German
Russian
Turkish
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
English thesaurus
Operational Dependability
This HTML5 player is not supported by your browser
abbr.
DO
(
Alex Lilo
)
Operational
:
7 phrases
in 3 subjects
Aviation
2
Mathematics
1
Microsoft
4
Add
|
Report an error
|
Get short URL
