Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
to phrases
knowledge data
This HTML5 player is not supported by your browser
busin.
知识数据
Knowledge Data
:
5 phrases
in 4 subjects
Aviation
1
Electronics
1
Information technology
1
Space
2
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
