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
Thank you.
谢谢。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。