Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Czech
French
German
Italian
Russian
G
o
o
g
l
e
|
Forvo
|
+
frequency of flare occurrence
astr.
Eruptionshäufigkeit
f
;
Häufigkeit der Eruptionen
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
