First, the node from the free tree with the lowest address (which is greater than or equal to the requested block size) is removed.

首先，删除空闲树中(大于或等于请求的块大小的)地址最低的节点。

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

Some of my friends were sent away to camp, and the city offered free tennis lessons, but I remember spending an inordinate amount of time in the backyard hitting a tree with a stick.

我的一些朋友会被送去夏令营，城市会提供免费的网球课程，但我记得我花了相当多的一部分时间，在自家后院用棍子击打一棵树。

youdao

Another climber,John Lang, suggested Bachar free-solo an area called Double Cross, in Joshua Tree National Park,California.

VOA: special.2009.12.09

And the Lord God commanded the man saying, 'Of every tree of the garden you are free to eat.'" His first thought is what are you going to eat?

上帝命令人们道，“你可以随意吃花园里的树木‘,他最先考虑的就是人要吃什么东西？

耶鲁公开课 - 旧约导论课程节选

And for those with sensitive skin, an environmental conscience, or both, "tree free" toilet paper made from cotton linters is now available.

NPR: Texas Cotton: 'Farmer Profits at Every Step'

The rich, tree-free prairie soil was great for farming, but lumber had to be imported for houses and barns.

FORBES: Wisconsin Republicans Attack a Brilliant UW Historian

In many areas local utility companies will even cut back your wayward tree branches free of charge if they sit too close to electrical lines.

FORBES: As Hurricane Isaac Threatens Gulf Coast, Last-Minute Ways To Disaster-Proof Your Home