Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Russian
G
o
o
g
l
e
|
Forvo
|
+
alternate flight plan
gen.
备用飞行计划
avia.
备份飞行计划
USA, space
尤其航空航天局的
备份飞行计划
Add
|
Report an error
|
Get short URL
|
Language Selection Tips