- 重点词汇
- 老年人
old people; elderly people; the old/aged; senior citizen
- 健康
health; fitness; well-being; wellness; healthy; fit; well; sound; robust; in good shape; in good fettle; in trim; in good trim; promote health; maintain fitness; ensure well-being; enhance wellness
- 知识
knowledge; learning; know; wisdom; know-how; information; command; erudition; lore; cognition; knowledgeable; learned; epistemic
- 问答
ask and answer; engage in Q&A; question and respond; quiz