Hearing loss can result from various factors, including aging, exposure to loud noise, infections, and genetic conditions. Prolonged exposure to high decibel sounds can damage the inner ear, leading to permanent 弱聽. Some medical conditions, such as ear infections or ototoxic medications, can also contribute to hearing impairment. Signs and Symptoms of 弱聽 Common signs of hearin... https://www.innohearing.com/弱聽/