Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
effective input
This HTML5 player is not supported by your browser
busin.
实际投入量
desert.
有效输入
effective input
:
5 phrases
in 3 subjects
Refrigeration
1
Space
1
Technology
3
Add
|
Report an error
|
Get short URL
