Sudanese security forces have arrested three prominent opposition figures, two of them from the rebel Sudan People's Liberation Movement-North.

苏丹安全部队逮名主要的反对派人士，其中两人来自反对派苏人解-北方局。

Fighting in South Sudan has intensified in recent weeks as the SPLA and rebels battle for control of oil fields in Upper Nile state.

最近几周，随着苏人解和叛军争上尼罗州油田的控制权， 南苏丹的战斗愈演愈烈。

The Sioux had signed a treaty with the government in eighteen sixty-eight. The treaty gave them a large reservation in what is now Nebraska, South Dakota and Wyoming.

1868年，苏人与政府签订一项条约。条约给现内布拉斯加州、南达科州和怀俄明州的大量保留地。

On September 24, 1804, they made camp here at the confluence of the Missouri and Bad Rivers on land that belonged to a Native American tribe called the Sioux.

1804 年 9 月 24 日，密苏里河和巴特河的交汇处的土地上扎营，该土地属于美洲原住民部落，称为苏人。