Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
foreground-background processing
This HTML5 player is not supported by your browser
tech.
前后台处理
foreground/background processing
This HTML5 player is not supported by your browser
IT
前台/后台处理
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
