Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
English
French
German
Greek
Italian
Portuguese
Russian
Serbian Latin
Spanish
G
o
o
g
l
e
|
Forvo
|
+
quarter-wavelength
abbr., el.
λ/4
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
