Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Danish
Dutch
French
Italian
Portuguese
Russian
Spanish
G
o
o
g
l
e
|
Forvo
|
+
forward echo
telecom.
前向回波
;
正向回波
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
