Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
dubbelverhoudingsberamer
adj.
math.
双可逆设计，双互换设计
stat.
双可逆设计
;
双互换设计
Add
|
Report an error
|
Get short URL
|
Language Selection Tips