She dances away early in the evening to her little bed, made in a box built up against the wall.

当天晚上，她轻快地跳着舞步回到自己的小床边。

The researchers found that specific antibodies that had been built up against other diseases had disappeared from the children's blood.

研究人员发现，针对其他疾病而建立的特异性抗体已经从孩子的血液中消失了。