Besides endangering lives, they also cause burst eardrums, tinnitus and in some cases totaldeafness.
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。
2
People generally understand the concept of totaldeafness, 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。
3
ConclusionGenerally, moderate or severe neurosensory hearing loss of both ears occurs at the initial episode of LVAS and aggravates gradually to totaldeafness.