Definition
During a period that someone is able to recall.
指某人记忆所及的时期。
Within my grandfather's memory, the city did not have so many tall buildings.
在我祖父的记忆中，这座城市没有这么多高楼大厦。
Within the memory of many elderly people, this street used to be a quiet residential area.
在许多老年人的记忆中，这条街曾经是一个安静的住宅区。
The opening of that store is within my mother's memory.
那家商店的开业在我母亲的记忆之中。