名词
中文翻译：声级计
同义词：
['acoustic meter', 'sound level meter', 'acoustical meter']
例句：
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1. The engineer used a sound meter to measure the noise level in the factory.
工程师使用声级计测量工厂的噪音水平。
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2. The sound meter showed that the music was too loud for the children's ears.
声级计显示音乐对孩子们的耳朵来说太响了。
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3.The sound meter confirmed that the volume of the speakers was within the acceptable range.
声级计确认扬声器的音量在可接受范围内。