layered medium

例句：

1. 1. The layered medium is designed to absorb sound waves and prevent them from reflecting off the surface.
   这种多层介质设计用来吸收声波，防止它们在表面反射。
2. 2. In the construction industry, layered mediums are commonly used to insulate buildings from external temperature changes.
   在建筑业中，多层介质常被用来隔离建筑物免受外部温度变化的影响。
3. 3.The engineer carefully analyzed the layered medium's properties to optimize its performance.
   工程师仔细分析了多层介质的性质，以优化其性能。