see a doctor 去医院看医生
send for a doctor 让医生出诊
health center/clinic 卫生所/门诊部
physician 内科医生
surgeon 外科医生
dentist 牙医
make an appointment 预约
emergency 急诊
check up/exam 检查
cold感冒
flu 流感
headache 头痛
sore throat嗓子痛
fever发烧
toothache牙疼
stomachache 胃疼
prescribe 开药方
pill/tablet 药片
liquid 药水
injection => shot 注射
operation 手术
medical result 诊断结果