Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
FB element
genet.
FB 因子
;
折回因子
mol.gen.
折回因子
(分生)
English thesaurus
FB element
abbr., genet.
fold-back element
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips