This is the 684th most frequent Thai word.
acmecs
"ACMECS" is not a Thai word but an acronym for the Ayeyawady-Chao Phraya-Mekong Economic Cooperation Strategy, a regional cooperation framework among Cambodia, Laos, Myanmar, Thailand, and Vietnam.
In this sentence, 'ACMECS' is used as a noun referring to the cooperation framework.
ACMECS เป็นกรอบความร่วมมือทางเศรษฐกิจในภูมิภาคนี้
ACMECS is a framework for economic cooperation in this region.
Here, 'ACMECS' is referenced as the collective entity of participating nations.
ประเทศที่อยู่ภายใต้ ACMECS ต้องร่วมกันพัฒนาทรัพยากร
Countries under ACMECS must jointly develop resources.
'ACMECS' is mentioned as the topic of the discussion agenda in this context.