名词
中文翻译：草地退化
同义词：
['desertification', 'desolation', 'desertification例句：1. The grassland was once lush and green', 'but now it is suffering from desertification.（这片草地曾经郁郁葱葱，但现在正遭受荒漠化。）']
例句：
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1. The grassland was once lush and green, but now it is suffering from desertification.
这片草地曾经郁郁葱葱，但现在正遭受荒漠化。
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2.The government has launched a campaign to combat desertification in the region.
政府已经发起了一项运动，以对抗该地区的荒漠化。
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3. The desertification of the grassland is a serious environmental problem that needs to be addressed urgently.
草地的荒漠化是一个严重的环境问题，需要紧急解决。