听到这4种耳鸣声音可要注意！
大多数的耳鸣都发生得很短暂，大家也不会去留意或是了解「为何耳鸣」，但如果有天突然发现耳鸣不寻常的时候，就要注意了。
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FunTranscript
00:00 Most adults have had the experience of hearing
00:03 Some are continuous, some are intermittent
00:06 And everyone hears different kinds of hearing
00:09 Common four types of hearing
00:11 1. Tadada
00:12 This type of hearing may be caused by muscle contraction in the ear
00:18 2. Sisi
00:19 3. Ongong
00:20 This type of hearing is usually caused by blood pressure
00:26 When you change your posture during exercise
00:29 Or suddenly stand up after lying down
00:31 You may hear these sounds
00:32 3. Ongong
00:33 This type of hearing is usually caused by hearing impairment
00:39 Or internal ear drums
00:41 4. High-pitched
00:42 This is the most common type of hearing
00:48 This type of hearing may cause hearing loss
00:51 Or occur when taking medicine
00:53 (whooshing)