英语翻译

英语翻译
One of the more prevalent illnesses in chidren under three is ear infections.These can be quite painfui and will often result in incessant crying.Ear infections are caused when bacteria or viruses get into the inside of the ear.The Eustachian tubes,with supply the ear with air,become swollen or inflames.The adenoids,cell clusters near these tubes that fight infections,can also become infected and block the ubes.Children's Eustachian tubes ar smaller and straighter,and thir adenoids are larger.This means that the tubes do not drain as well,which often esults in the adenoids impeding flow through the tubes.