Projects would not have to be large-scale , or use significant expanses of contiguous land .

项目并不需要多大规模，或者使用富饶广阔成片的土地。

It irrigated these sterile expanses .

它灌溉了这些广阔的不毛之地。

Other dark regions to the bottom and left include agricultural fields and expanses of the cerrado tropical savanna .

底部和左边其他黑色区域包括农田和广阔的cerrado热带稀疏草原。

Have you comprehended the vast expanses of the earth ? Tell me , if you know all this .

地的广大你能明透么。你若全知道，只管说吧。

On large expanses of land , big animals do best , because they are less vulnerable to cold and less likely to be attacked by predators .

在面积宽阔的陆地上，体型大的哺乳动物生存地最好，因为和体积小的动物相比，他们更少受寒冷伤害，被食肉动物袭击的机率也小。