沦为的英文：
descend to
land up

参考例句：

Wide regions had been systematically devastate by the enemy or pulverised in the encounter of the armies.
大片大片的地区接连地遭受敌人的破坏，或在两军激战中沦为一片焦土。

Wide regions had been systematically devastate by the enemy or pulverised in the encounter of the armies
大片大片的地区接连地遭受敌人的破坏，或在两军激战中沦为一片焦土。

The Times says its new size is "compact", not tabloid.
《泰晤士报》称改版后的报纸为“紧凑型”，并没有沦为街头小报。

He was reduced to stealing.
他沦为盗贼。

She has declined into a street girl.
她已经沦为妓女。

Liberty often degenerates into lawlessness.
自由往往沦为无法无天

Liberty is apt to degenerate into lawlessness.
自由容易沦为无法无天。

Liberty often degenerates into lawlessness
自由常常沦为无法无天。

The people were kept in subjection.
这个民族已沦为附庸.

The nation was kept in subjection.
这个民族已经沦为附庸。

descend是什么意思：
v. 下来；下去；下降；下斜；降临；遗传；屈尊；堕落；袭击

derivation; descendent
派生物

You would never descend to fraud.
你绝不能堕落到骗人的地步。

You would never descend to cheating.
你绝不至沦于欺骗。

To slope downward;descend.
向下倾斜；下倾

It is easier to descend than to ascend
下降容易上升难

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。

The earthquake thrilled the land.
地震使大地颤动。

The land was desolated by floods.
洪水使田野荒芜。