tracts造句
Vast
tracts of the country are wild and undeveloped...
乡间大片大片的荒地尚未开发。
Each sequence is made of transgressive system
tracts and highstand system
tracts.
认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.
Large
tracts of wasteland have become a granary.
荒滩变成米粮川.
...vast
tracts of empty land, much of it contaminated by years of army activity.
大片撂荒的土地,其中大部分由于经年累月的战火而受到了污染
Vast
tracts of the country are wild and undeveloped.
乡间大片大片的荒地尚未开发。
They cleared large
tracts of forest for farming, logging and ranching.
他们清除了大片的森林以经营农耕、采伐与畜牧。
Gambell involved a grant of oil and gas leases covering
tracts offshore of Alaska.
坎贝尔一案涉及到阿拉斯加近海岸的一片油气田的租借权问题.
vast
tracts of forest
大片大片的森林
There are
tracts of desert in Australia.
澳大利亚有大片沙漠.