Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
German
⇄
Chinese
Dutch
English
Finnish
French
Greek
Italian
Japanese
Polish
Portuguese
Russian
Spanish
G
o
o
g
l
e
|
Forvo
|
+
Kryotron
n
supercond.
冷子管
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
