Vientiane (or translation Yongzhen on the north bank of the middle Mekong River翻译_Vientiane (or translation Yongzhen on the north bank of the middle Mekong River是什么意思_Vientiane (or translation Yongzhen on the north bank of the middle Mekong River发音_Vientiane (or translation Yongzhen on the north bank of the middle Mekong River的反义词_Vientiane (or translation Yongzhen on the north bank of the middle Mekong River的同义词_英汉词典_在线翻译_英译汉