a medical condition common in children, in which the middle part of the ear becomes filled with a liquid that prevents them from hearing correctly

Over half of all children in Britain get glue ear at some time before they are 16, and it can lead to permanent hearing loss. 超过一半的英国儿童在十六岁之前得过浆液性中耳炎，而这可能导致永久性的失聪。