Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Japanese
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
invariant field
busin.
不变域
invariant field:
1 phrase
in 1 subject
Technology
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
