memory in key

例句：

1. 1.She has a vivid memory of the event.
   她对那个事件有着清晰的记忆。
2. 2.He has a good memory for numbers.
   他有很好的数字记忆力。
3. 3. The teacher asked us to remember the steps to solve the problem.
   老师让我们记住解决问题的步骤。