[长山山脉 / 長山山脈, Cháng shān shān mài, ㄔㄤˊ ㄕㄢ ㄕㄢ ㄇㄞˋ]Truong Son Ra, mountain range forming the border between Vietnam and Laos and Kampuchea#462309[Add to Longdo]
[安南山脉 / 安南山脈, Ān nán shān mài, ㄢ ㄋㄢˊ ㄕㄢ ㄇㄞˋ]old term for Truong Son Ra 長山山脈|长山山脉, mountain range forming the border between Vietnam and Laos and Kampuchea[Add to Longdo]