大湄公河次区域合作

dà méi gōng hé cì qū yù hé zuò

Greater Mekong Subregion (GMS), economic cooperation program between China and Vietnam

大

dà

big; large; great

湄

méi

(literary) shore; coast; bank

公

gōng

public

河

hé

river (CL:條|条[tiao2],道[dao4])

次

cì

next in sequence

区

qū

area

域

yù

field

合

hé

variant of 合[he2]

作

zuò

to do; to engage in