过量的噪音，包括机器轰鸣声、音乐声过响或其他噪音过大，如枪声或爆炸声，有可能损害内耳道，使听力减弱。

Excessive noise, including working with noisy machinery, exposure to loud music or other loud noises, such as gunfire or explosions, can damage the inner ear and weaken hearing ability.

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Etminan博士说，“眼球中晶状体有血清素受体，动物试验表明，过量的血清素能够使晶状体浑浊，从而导致白内障。”

"The eye's lens has serotonin receptors, and animal studies have shown that excess serotonin can make the lens opaque and lead to cataract formation," Dr. Etminan said.

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因此，用过量的氧气进行治疗，可能增加自由基的产生，使本就糟糕的情况更加恶化。

Treating with too much oxygen, therefore, could increase the production of free radicals and make a bad situation even worse.

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