Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Afrikaans
Arabic
Catalan
Dutch
English
Estonian
Finnish
French
German
Hungarian
Italian
Korean
Lithuanian
Persian
Polish
Portuguese
Russian
Slovene
Spanish
Swedish
Turkish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
累积曲线,卵形线
math.
S-käyrä
;
Galtonin S-käyrä l. ogiivi
Add
|
Report an error
|
Get short URL
|
Language Selection Tips