Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
noun
|
verb
Appleton-Schicht
f
This HTML5 player is not supported by your browser
gen.
F layer
;
F region
tech.
Appleton layer
Add
|
Report an error
|
Get short URL
