1. 肾脏病学家   nephrologist   gerontologist   psychologist   dietician   Hint Half-n-half Clue   2. 医师   psychiatrist   orthopedist, orthopaedist   dietician   physician   Half-n-half Clue   3. 精神病医生   psychiatrist   psychologist   urologist   surgeon   Half-n-half Clue   4. 骨科医师，骨科医师   dermatologist   dietician   orthopedist, orthopaedist   gynecologist, gynaecologist   Half-n-half Clue   5. 儿科医生，儿科医生   dentist   chiropodist   pediatrician, paediatrician   urologist   Half-n-half Clue   6. 放射学家   pediatrician, paediatrician   surgeon   radiologist   physiotherapist   Half-n-half Clue   7. 关节炎医师   orthodontist   dentist   rheumatologist   pathologist   Half-n-half Clue