Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
French
⇄
English
German
Russian
+
G
o
o
g
l
e
|
Forvo
|
+
quark u
This HTML5 player is not supported by your browser
hi.energ.
u quark
;
up-quark
;
isospinup quark
Add
|
Report an error
|
Get short URL
