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1. The plant is native to the desert regions of North America.
这种植物原产于北美的沙漠地区。
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2. The desert landscape is characterized by its sparse vegetation and harsh climate.
沙漠景观以其稀疏的植被和严酷的气候而著称。
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3. The desert has been a subject of scientific study for centuries.
沙漠一直是几个世纪以来科学研究的对象。