macroscopic noise

例句：

1. 1.The scientist used a microscope to observe the microscopic noise in the air.
   科学家使用显微镜观察空气中的微观噪声。
2. 2. The sound of the traffic is a macroscopic noise that can be heard from far away.
   交通声是一种可以远闻的宏观噪声。
3. 3.The engineer was trying to reduce the macroscopic noise in the factory.
   工程师正在尝试减少工厂中的宏观噪声。