decibel calculator

例句：

1. 1. The engineer used the decibel calculator to measure the noise level in the factory.
   工程师使用分贝计算器测量工厂的噪音水平。
2. 2. The decibel calculator was a useful tool for measuring sound levels in different environments.
   分贝计算器是测量不同环境中声音水平的有用工具。
3. 3.The decibel calculator helped the scientists to understand the impact of loud noise on human health.
   分贝计算器帮助科学家理解大声噪音对人类健康的影响。