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
