世界各地防止荒漠化

短语讲解：

1. The Karoo drylands are just one example of where the earth has dried up to such an extent, that it is no longer agriculturally productive.

dry up (使…)干涸
例句：The long drought dried up all the wells.
长期的干旱使所有的井都干涸了。
no longer不再, 已不, 不复, 再也不
例句：The city's water supply is no longer adequate for its need.
这个城市的供水已不敷需求。

2. This is measured in response to cultivation, in response to harvesting, resource-extraction, and as a result also of over-grazing.

in response to对…做出反应
例句：She laughed in response to his jokes.
他的话引起她大笑。

3. In the Eastern Cape province, over-grazing by non-indigenous angora goats farmed for mohair, has resulted in a large shrub known locally as spekboom being severely depleted.

result in导致,结果是
例句：The flood resulted in a considerable reduction in production.
这次水灾造成相当大的减产。

4. So if you put a little canister under spekboom you're going to pick up as many leaves as you would in some of the rainforests.

pick up拾起, 捡起; 抬起
例句：I would have picked it up if I had noticed it.
我如果看见的话, 我早就把它拣起来了。

5. And that enriches the soil enormously, and builds up the organic matter, which enables the soil to hold more moisture, so it's a self-augmenting process of building up an ecosystem that's really healthy.

build up逐步建立, 增进, 增强,使增大
例句：Many a large and big business has been built up from small ones.
很多大企业都是从小规模发展起来的。

6. The Restoration Research Group is working on accessing further funding for spekboom restoration from the carbon credit market.

work on致力于…
例句：He has been working on a new novel for over a year now.
近一年多来, 他一直在写一部新小说。