英语介词in、on、at等的用法大全
一、at
1、表示时刻,即几点几分(with particular points on the clock)
I’llsee you
at five o’clock
. (我五点和你见面。)
2、表示一天中的某个时间段(with particular points in the day)
The helicopter took off
at midday
and headed for the island. (直升机中午起飞,飞往那个岛屿。)
3、表示一周中的某个时间段,即工作日(weekday)和周末(weekend)(with particular points in the week)
What are you doing
at the weekend
?4、表示某种特殊场合,如名字中不含day的节假日(with special celebrations)
At the New Year
, millions of people travel home to be with their families(到了新年,成百上千万的人会回到 ...


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