sound lens

例句：

1. 1.The sound lens is used to focus sound waves onto a specific area.
   声透镜用于将声波聚焦到特定区域。
2. 2.The sound lens can be used in various applications, such as in the production of audio equipment.
   声透镜可用于各种应用，如在生产音频设备中。
3. 3.The sound lens has been developed to improve the quality of sound transmission.
   声透镜已被开发以改善声音传输的质量。