zhōng é biān jiè xié yì
Sino-Russian Border Agreement of 1991
中
zhōng
(bound form) China; Chinese
俄
é
abbr. for 俄羅斯|俄罗斯[E2 luo2 si1]
边
biān
side
界
jiè
(bound form) boundary; border
协
xié
to cooperate
议
yì
to comment on
Review