Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Dutch
English
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
English thesaurus
Central Operating System
This HTML5 player is not supported by your browser
comp., net., abbr.
COS
Central Operating System
:
2 phrases
in 2 subjects
Communications
1
Finances
1
Add
|
Report an error
|
Get short URL
