Green circles in the desert frequently indicate tracts of agriculture supported by centre-pivot irrigation.
这片位于沙漠里的密集绿圈代表由中枢灌溉系统支持的农业生产。
The canal's drab green water rolled along beside us, offering sharp relief to the open desert beyond.
在这片空旷无垠的沙漠上,运河那单调的绿波在我们身边翻腾,给我们带来了莫大的宽慰。
The extreme rain brought floods, but it also turned the desert green, as shown in this vegetation index image.
罕见的暴雨导致了洪水的到来,但同时也将沙漠染成了绿色,该变化在这幅植被指数图中得到很好体现。
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