Besides endangering lives, they also cause burst eardrums, tinnitus and in some cases total deafness.

除了会危及人的生命，也会造成鼓膜破裂、耳鸣，在某些情况下会完全失聪。

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People generally understand the concept of total deafness, that is, the inability to hear any sound at all.

人们通常理解全聋的概念，即是根本听不到任何声音。

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ConclusionGenerally, moderate or severe neurosensory hearing loss of both ears occurs at the initial episode of LVAS and aggravates gradually to total deafness.

结论大前庭导水管综合征病儿初次发病时一般为双侧中重度以上感音神经性听力损失，随后波动性听力逐渐下降直至全聋。

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Regulators also are considering requiring that 2% of contractors' work forces be comprised of severely disabled workers, such as those with total deafness, blindness, or missing extremities.

WSJ: U.S. Pushes Target for Hiring the