退耕还林的英文：
returning land for farming to forestry

参考例句：

To reconvert the farmland into forestry and pasture
退耕还林还牧

Third, shifting from devastating forests for arable land to returning farmland to forests
三是由毁林开荒向退耕还林的转变。

Terraced fields on steep slopes should be returned to forests or pastures in a planned and systematic way
陡坡耕地要有计划、有步骤地退耕还林还草。

returning是什么意思：
v. 带回，放回，恢复，回到
n. 回来，归还，回报
adj. （票）双程的，往返的；（旅途）返回的，返程的

The return of a prodigal
回头浪子

Return ReceiptsSettings for requesting or returning receipts
返回收据有关收据的请求或返回有关的设置

To return disappointedly; defeated.
铩羽而归

land是什么意思：
n. 陆地；土地；国土，国家；地产
v. 降落，着陆；卸货

There is a fat land.
那有一块丰饶的土地。

Classes of Land for Taxation: urban land, agricultural land, forest land, and other land.
根据税收的土地分类:城市用地，农业用地，林地和其他土地。

The reclamation of waste land is influenced by land salinization.
新开垦耕地明显地受到盐碱化的影响，农业生产将受到一定威胁。

farming是什么意思：
n. 耕作，农业
v. farm的ing形式；耕种

This is a stud raising farm.
这是个种马养殖场。

This farm yields well.
这个农场产量很高。

Stud Farm; Stud
种马场