That's essentially a semi-arid steppe biome and an extension of the vast American Great Plains.

这基本上是干草原生物群落，是广阔美国大平原延伸。

Yili's summer has a cool, semi-arid and continental climate, which is suitable for outdoor activities.

伊犁夏天是凉爽、干大陆性气候，适合户外活动。

Welwitschia mirabilis is endemic to the arid and semi-arid regions of western Namibia and Angola.

百岁兰（Welwitschia mirabilis）是纳米比亚和安哥拉西部干干地区特有植物。

The true hot desert dominates over its slightly wetter semi-arid form as this chart shows.

正如该图所示，真正热沙漠比稍微湿润干沙漠更为普遍。

It's a semi-arid sandbox filled with fluffy cows and nothing.

这是一个干沙盒，里面满是蓬松牛群，别无他物。

Plus, the greening has taken place in precisely the semi-arid areas where the climate doomsayers said the deserts would expand.

此外，绿化现象恰恰出现在那些气候末日论者预沙漠会扩张干地区，而这些沙漠并未如他所扩展。

We have to maximize to save again on climate change and basically to save on costs especially those in those arid and semi-arid areas.

我必须最大限度地延缓气候变化，并基本上节省成本，特别是那些干和干地区成本。

The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.

与沙漠接壤干土地处于微妙生态平衡中, 适应环境压力增加潜力有限。

This region has a semiarid climate, and for 50 years after its settlement, it supported a low-intensity agricultural economy of cattle ranching and wheat farming.

这里有着干气候，在人定居50年后，它支撑了一个以畜牧业和小麦种植为主低密度农业经济。

The Sahel region is that semiarid area south of the Sahara desert that extends from the Atlantic in the west to the Red Sea in the east.

萨赫勒地区是撒哈拉沙漠以南干地区，西起大西洋， 东至红海。

Definitely. They actually set up the centre there because it's on the boundaries of two distinct ecological zones: the mountains, where the people are mainly agriculturalists, and the semi-arid plains lower down, where they're semi-nomadic pastoralists.

确实如此。他之所以在那里设立中心，是因为它位于两个截然不同生态区交界处：山区，那里人主要是农民；以地势较低干平原，那里人是游牧牧民。

It is often used to refer to semi-arid inland areas of eastern Australia and to the arid centre of the western plateau and its semi-arid northern plains where bodies of water are scattered and frequently dry.

它通常用来指代澳大利亚东部干内陆地区和西部高原干中心其水体分散且经常干涸干北部平原。

So what's actually happened as carbon dioxide levels have risen, for whatever reasons, and some of that might be human caused, What's actually happened is that semi-arid areas around the world have become more green, and by a lot.

无论出于何种原因，二氧化碳水平上升——其中一些可能是人为造成——实际上发生了什么？全球干地区变得更加绿意盎然，而且变化显著。