theriatrics

例句：

1. 1. Geriatricians are experts in the field of geriatrics.
   老年学专家。
2. 2. The geriatrician advised the patient to exercise regularly.
   老年医生建议病人定期锻炼。
3. 3. Geriatrics is a branch of medicine that focuses on the health and well-being of olderadults.
   老年学是医学的一个分支，专注于老年人的健康和福祉。