Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
German
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
inversion system
phys.
Umkehrsystem
n
inversion system:
6 phrases
in 2 subjects
Optics
branch of physics
1
Physics
5
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
