Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
Finnish
French
German
Italian
Japanese
Norwegian Bokmål
Polish
Portuguese
Spanish
Swedish
G
o
o
g
l
e
|
Forvo
|
+
upward flux
of a source
light.
上半球光束
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
