This means that any thought about a certain subject will often bring up more memories that are related to it.
重点
certain此处意为“某个,某种”。bring up在句中意为“引起,勾起”。that引导的是memories的定语从句,其中be related to意为“与……相关”。
考点归纳
短语bring up还有如下常见含义:
“抚养,养育,教养”。如:
He was brought up by his grandparents. 他是由祖父母抚养长大的。
“提出(讨论等)”。如:
I hate to bring up the subject of money. 我讨厌提钱这个话题。
“呕吐”。如:
She can't eat anything without bring it up. 她吃什么都会吐。
“调出,使显示在计算机屏幕上”。如:
Click that button to bring up a new menu. 点击那个按钮,调出一个新菜单。