1. That evening he was in an unusually light-hearted mood.
    那晚他的心情异常轻松。

2. She lies motionless: the head seems unusually large on a skeleton body; the skin is dark yellow and hangs loosely around exaggerated bones that not even a blanket can hide; the right arm lies straight out at the side, taped cruelly to a board to secu
    她一动不动地躺着：骨瘦如柴的身体使她的头显得特别大；皮肤呈暗黄色，松松地裹在嶙峋的、连毛毯也遮掩不住的骨骼上；她的右臂平伸在床边，被无情地用胶带固定在一块板上，以便能固定针头使液体滴入；左臂横放在深陷的胸部，胸口随着不均匀的呼吸一起一伏。

3. Professor Camilla Benbow of Iowa State University(爱荷华州立大学) is head of a long-term study of children who are unusually good at math.
    爱荷华州立大学的卡米拉·班博教授领导着一项对具有数学特长的儿童的长期研究。