Gerontics
n. 老年学, 老年医学
🗣️ 情景例句
He is not up to the job.
他不能胜任这个工作。
A horse stumbles that has four legs.
人有失手日，马有失蹄时。
The whole village has been working day and night gathering and threshing this year's crop before the September rains.
全村的人都日夜奋战，要赶在9月的雨季之前把今年的庄稼收获上来，打完场。