清除所有已经分配但没有标记的对象，收回这些对象使用的空间。

All the objects that were allocated but are not marked anymore are swept away, and the space used by them is reclaimed.

youdao

她告诉我，那扇没有标记的门后面，是当天被安排实施安乐死的动物。

She told me that behind the unmarked door were the animals that were scheduled for euthanasia that day.

youdao

这种方式的一个不错的示例是使用没有标记的表单字段，特别是在处理Ajax应用程序时。

A good example of this is using form fields without a tag, particularly when it comes to Ajax applications.

youdao

Suppose that there were some sort of genetic marker and, although we didn't have a tattoo that you would just have to look at, -- but you could have genetic counseling-- have your DNA examined and you could tell, if you had the DNA testing, how much time you had left.

假设有某种基因标记，虽然我们没有,让你不得不去看的在身上的标记了，但你可能会去做基因咨询-,检查你的DNA，如果你做了DNA化验的话，你就能知道自己还剩多少时间。

耶鲁公开课 - 死亡课程节选