“噪音还有可能来自某种很平常的来源。”霍根说。
"There could still be a mundane source of the noise," Hogan admits.
交通噪音是噪音污染的主要来源。
Noise from transportation is one major source of noise pollution.
结果发现噪音是压力的最大来源。
Noise pollution emerged as the most significant cause of stress.
结果发现噪音是压力的最大来源。
Noise pollution emerged as the most significant cause of stress.
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