听觉迟钝

例句：

1. 1. The teacher explained the concept of sound waves to the students.
   老师向学生们解释了声波的概念。
2. 2. She was able to hear the distant thunder in the distance.
   她能够听到远处雷声。
3. 3. The scientist conducted an experiment to test the effectiveness of hearing aids.
   科学家进行了一个实验，以测试助听器的效果。