c. 1300, from after + noon. In 15c.-16c., the form was at afternoon; from c. 1600 it has been in the afternoon. Middle English also had aftermete "afternoon, part of the day following the noon meal," mid-14c.
权威例句
1. They rose to the challenge of entertaining 80 school-children for an afternoon.
他们一个下午成功接待了80名学童。
2. It was a marvellous afternoon with a huge turnout of people.
那是个美妙的下午,出席人数众多。
3. The President met this afternoon with his top military advisers.
总统今天下午会见了他最得力的军事顾问。
4. It happened at Stamford Bridge one murky November afternoon.
这发生在11月一个阴沉的下午,斯坦福德桥上。
5. The fighting began in the late afternoon and continued all night.