adj.亚（低于）音频的；亚（次，微）声的；声下的

The infrasonic waves generated by the earthquake were detected by sensors miles away.
地震产生的次声波被数英里外的传感器探测到。
Elephants communicate using infrasound, a frequency too low for humans to hear.
大象利用次声波进行交流，这种频率的声音人类无法听到。
The military employs infrasonic technology for long-range detection of incoming threats.
军方使用次声波技术进行远距离威胁检测。
Some believe that certain natural wonders produce infrasound, causing an eerie feeling in visitors.
有人认为某些自然奇观会产生次声波，给参观者带来一种诡异的感觉。
Infrasonic monitoring is crucial in studying volcanic activities due to its ability to detect underground movements.
由于能够探测地下的运动，次声监测在研究火山活动时至关重要。
The infrasonic calls of whales can travel for hundreds of miles through ocean waters.
鲸鱼的次声波叫声能在海水中传播数百英里。
Researchers discovered that wind turbines can generate infrasound, which may affect nearby residents.
研究人员发现风力涡轮机可以产生次声波，这可能会影响到附近的居民。
Infrasonic signals have been linked to the navigation abilities of certain migratory birds.
次声信号与某些迁徙鸟类的导航能力有关联。
The ancient temple's design was believed to amplify infrasound, creating a mystical atmosphere during rituals.
古庙的设计被认为能放大次声波，在仪式中营造出神秘的氛围。
Storms at sea produce infrasound waves that can be detected before visual signs of the weather change.
海上的风暴会产生次声波，这些波可以在天气变化的视觉迹象出现之前被检测到。