Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
初期/高级国防通信卫星计划
美国
el.
Initial/Advanced Defense Communications Satellite Program
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
