However, with regular exposure to loud or prolonged noise, the sensory cells and other structures can become permanently damaged, resulting in irreversible noise-induced hearing loss, tinnitus, or both.
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噪音性听力损失可以瞬间发生（例如听到突然爆发的巨响时）。
The hearing losscaused by exposure to loud sounds is called noise-induced hearing loss (NIHL).
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更常见的是，听力损失是渐进和永久性的，并且在后果变得较为明显之前往往察觉不到或被忽视。
Noise-induced hearing loss can be immediate (such as when exposed to a sudden burst of loud sound); however, more often the loss is gradual, permanent, and frequently goes unnoticed or ignored until the effects become more obvious.
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最初，可能只是听不太到一些高音调声音，如铃声或鸟鸣声。
Initially, you may only have trouble hearing some high-pitched sounds like bells or birdsong.
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随着噪声性听力损失的加剧，可能会难以与他人沟通，尤其是在餐馆和市场等嘈杂场所。
As it progresses, NIHL can make it difficult to communicate with others, especially in loud places like restaurants and markets.
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如何保护我的听力免受巨大声响的影响？
How can I protect my hearing from loud sounds?
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什么是听力安全？
What is safe listening?
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听力安全指采用不危害听力的特定听声行为。
The term safe listening simply refers to specific listening behaviors that do not put your hearing at risk.