苏丹的妻妾住在后宫.The sultan's wives and concubines live in the harem.你知道我能为苏丹的孩子们买多少铅笔 吗 ?Do you know how many pencils I could buy Sudanese school children?青 、 白尼罗河在苏丹的喀土穆汇合, 然后流入埃及.Green, White Nile converge in Khartoum ,...