Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
optical:
7 phrases
in 5 subjects
Abbreviation
2
Military
1
Optics
branch of physics
2
Telecommunications
1
United States
1
Add
|
Get short URL
|
Language Selection Tips
