Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
协作试验
tech.
coordinated trial
协作 试验
:
8 phrases
in 6 subjects
Aviation
1
Electronics
1
Engineering geology
1
Oil processing plants
1
Technology
3
United Nations
1
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips