Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
English
Korean
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
English thesaurus
Observation Balloon System
This HTML5 player is not supported by your browser
abbr., scottish
OBS
Observation
:
7 phrases
in 2 subjects
Mathematics
5
Statistics
2
Add
|
Report an error
|
Get short URL
