Geras
(gera 的复数) abbr. geratologic(al)(ly) 老年医学的（地）; geratologist 老年医学家; geratology 老年医学
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
Time past cannot be called back again.
光阴一去不复返。
No pain，no gain.
不劳无获。