Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
MK-System
n
This HTML5 player is not supported by your browser
stresses
astr.
система МК
(спектральной классификации звёзд)
Add
|
Report an error
|
Get short URL
