Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
+
G
o
o
g
l
e
|
Forvo
|
+
to phrases
specification plan
This HTML5 player is not supported by your browser
avia.
规范计划
specification plan
:
12 phrases
in 2 subjects
Aviation
11
Technology
1
Add
|
Report an error
|
Get short URL
