开垦 open up wasteland for farming; reclamation; reclaim wasteland; bring under cultivation; break ground; cultivate 他们开垦了大片荒地。 they opened up large tracts of wasteland. 我们计划把所有的山坡都开垦出来。 we plan to bring all these mountain slopes under cultivation.; 开垦地 clearage; taimgya; 开垦沟地 reclaimming of gullies; 开垦荒地 reclaim; land reclamation
绿化未开垦的山坡地 afforest---mu of uncultivated hilly land