Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Arabic
⇄
Chinese
English
French
German
Italian
Japanese
Polish
Portuguese
Serbian
Spanish
Swedish
G
o
o
g
l
e
|
Forvo
|
+
الطول الموجى
math.
wavelength
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
