1.
to break and turn over earth esp. with a plow.
用犁子开垦和翻开土地。
2.
It is cultivated for its flowers.
这块地开垦出来种花。
3.
They opened up large tracts of wasteland.
他们开垦了大片荒地。
4.
More wasteland will be opened up here.
这里将开垦更多的荒地。
5.
Reclaim the whole place.
把这块地都开垦了吧。
6.
a wild and uninhabited area.
无人定居的未开垦地区。
7.
We opened up several hundred mu of land.
我们开垦了几百亩土地。
8.
The Australian bush.
澳大利亚的未开垦荒野
9.
The reclamation of flooded or marshy land.
海滩荒地的围垦对水淹地或沼泽地的开垦
10.
Destroying forest or burning vegetation for land reclamation, or building dykes to reclaim land from a lake or reclaiming slopes banned by the State shall be prohibited.
禁止毁林开荒、烧山开荒、围湖造田以及开垦国家禁止开垦的陡坡地。
11.
To break up the surface of(soil).
开辟，开垦破坏（土地的）表面
12.
make (land)suitable for cultivation,eg by draining or irrigating it
开垦（土地）（如排水、灌溉以利耕种）
13.
Such poor land can no longer stand over-cultivation!
瘦瘠的土地再也经不起过度开垦了!
14.
virgin forest,soil,ie where cultivation has never been attempted
处女林、处女地（未经采伐、开垦的）.
15.
Primitive races colonized these islands 2,000 years ago.
原始人2,000年前开垦了这些岛屿。
16.
remote(usu uncultivated)area where few people live
人烟稀少的边远地区（通常指未开垦的）
17.
I hear they have opened up 500 mu rice fields.
我听说他们开垦了五百亩稻田。
18.
The farmer reclaimed the swamp by draining it.
农民通过排涝来开垦那块沼泽地。