患病(illness) 发烧have a fever疼痛hurt牙疼have a toothache 感冒have a cold头疼have a headache喉咙疼have a sore throat 课外拓展： 胃痛have a stomacheache流行性感冒have the flu 背痛，腰疼have a backache咳嗽have a cough
