Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Czech
⇄
English
French
German
Italian
Russian
G
o
o
g
l
e
|
Forvo
|
+
Huyghensův okulár
astr.
Huyghens eyepiece
;
negative eyepiece
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
