Vientiane (or translated as Yongzhen on the north bank of the central Mekong River是什么意思_Vientiane (or translated as Yongzhen on the north bank of the central Mekong River怎么读_Vientiane (or translated as Yongzhen on the north bank of the central Mekong River的反义词_Vientiane (or translated as Yongzhen on the north bank of the central Mekong River的同义词_在线翻译_英译汉_英汉词典