amusia

例句：

1. 1. The child has amusia, which makes it difficult for him to concentrate on tasks.
   这个孩子患有注意力缺乏症，这让他很难集中精力完成任务。
2. 2. Due to his amusia, he often forgets important dates and appointments.
   由于他的注意力不集中，他经常忘记重要的日期和约会。
3. 3. The teacher noticed that the student had difficulty focusing during class due to his amusia.
   老师注意到这位学生在课堂上注意力难以集中，这是由于他的注意缺陷。