形容词
中文翻译：无噪声的
同义词：
['silent', 'noise-free', 'silent']
例句：
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1.The room was so quiet that we could hear the sound of our own breathing.
房间非常安静，我们能听到自己的呼吸声。
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2.The new technology makes it possible to achieve noiseless operation in factories.
新技术使得工厂实现无噪声操作成为可能。
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3.The noisy traffic outside the window is a constant source of disturbance for us.
窗外嘈杂的交通是我们持续的干扰源。