Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
French
⇄
Czech
English
German
Italian
Russian
G
o
o
g
l
e
|
Forvo
|
+
période par seconde
astr.
cycle per second
;
Hertz
;
Hz
;
c/s
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
