But UN humanitarian chief Mark Lacock says there are now 250,000 people at the worst level, phase five.

但联合国人道救援事务负责人马克·拉科克表示，目前有25万人处于最糟糕的第五阶段。

Only in South Sudan as anyone in Phase Five, said Lacock, twenty-five thousand people there fall into this dire category.

拉科克表示，只有在南苏丹的人处于第五阶段，那里有2.5万人处于悲惨的第五阶段。