Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Danish
French
German
Greek
Italian
Portuguese
Spanish
Swedish
+
G
o
o
g
l
e
|
Forvo
|
+
optical reference point
This HTML5 player is not supported by your browser
avia.
光学参考
基准
点
el.
光参考点
space
光学参照点
Add
|
Report an error
|
Get short URL
