These areas allow tasks to use memory without being required to block if the garbage collector needs to free memory in the heap.

如果垃圾收集器需要释放堆中的内存，则这些内存区域将允许任务使用内存而不需要中断任务。

youdao

The physical memory block that contains the page is marked as free and ready for reuse for additional pages.

将包含该分页的物理内存块标记为空闲，并为其它的分页做好重用的准备。

youdao

If the size of the reallocated block is smaller than the original block, the block is split and the extra block is returned to the free tree with the required size block being returned to the caller.

如果重新分配的块小于原来的块，那么把它分割开，多余的块返回给空闲树，请求的块返回给调用者。

youdao

Agbonlahor drilled his shot into the side netting via the fingertips of Wiese after a fine pass by midfielder Michael Carrick, then the keeper did well to block a dipping free-kick by left-winger Downing.

CNN: Terry gives England historic Berlin victory

In the past couple of weeks he has called for the scrapping of the European Union and its replacement by a free-trade block called the Organisation of European States.

ECONOMIST: Czech leaders wrangle about history, politics��and sanity

Countries sometimes say they block Skype because its free or low-cost calls cut into the revenue of local phone companies.

WSJ: Mideast Uses Western Tools to Battle the Skype Rebellion