烈日炎炎,人们为了降温纳凉,游泳池是比较理想的场所。但在游泳或者洗发时,耳朵很容易进水。由于水有一定的张力,进入狭窄的外耳道后形成屏障而把外耳道分成两段,又由于水的重力作用,使水屏障与鼓膜之间产生副压,维持着水屏障两边压力的平衡,使水不易自动流出。有时外耳道内有较大的耵聍阻塞,则水进入耳道后更易包裹于耵聍周围而不易流 The hot sun, people in order to cool the cool, swimming pool is the ideal place. But when swimming or shampooing, the ear is easy to water. As the water has a certain tension into the narrow external auditory canal to form a barrier and the external auditory canal is divided into two sections, but also because of the water gravity, water barrier and the tympanic membrane between the secondary pressure to maintain pressure balance on both sides of the water barrier so that the water Not easy to automatically outflow. Occasionally there is a large obstruction in the external auditory meatus, then the water enters the auditory canal more easily wrapped around the oyster and is not easy to flow