Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
to phrases
polar orbiting satellite system
el.
极地轨道卫星系统
polar orbiting satellite system:
5 phrases
in 4 subjects
Air defense
1
Earth sciences
1
Electronics
2
Space
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips