Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
光的基准
el.
primary standard of light
光的 基准:
5 phrases
in 3 subjects
Aviation
1
Electronics
3
Project management
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
