堆积集合成小堆；

To gather or pile up; amass.

youdao

You can very quickly drive yourself nuts by sitting down, thinking, oh, I can write this program, no sweat, and then you write it and then there's a tiny little mistake here, but then there's a tiny little mistake here and here, and all of these stupid little things cascade until you try running your program, and the thing just doesn't work.

如果你只是仅仅干坐着，不费吹灰之力，凭空幻想着我可以把这个项目搞定，你会想地发疯的，也许你会写出一点东西出来，可能会有一点点错误,紧接着这或那又出现一点小错误，这些小错误一点一点地堆积了起来,直到你开始运行你整个项目，你会发现这堆东西根本就不工作。

哈佛公开课 - 计算机科学课程节选

A number of men, as one historian has written, I think quite effectively, "Mounted from log cabin to mansion" and I quote "On a stairway of cotton bales accumulating slaves as they went."

一些人就像一位历史学家写的那样,我觉得非常犀利,引述一段,"小木屋通往大厦的阶梯正是由,奴隶们用棉花包堆积成的"

耶鲁公开课 - 美国内战与重建课程节选