名词
中文翻译：人造山丘
同义词：
['man-made hill', 'artificial mound', 'man-made hillock']
例句：
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1. The construction of the artificial hill was completed in a week.
人造山一周内建成。
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2.The artificial hill is a popular spot for hiking and picnicking.
人造山是徒步和野餐的热门地点。
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3.The artificial hill has been a source of pride for the city.
人造山已成为该市的骄傲象征。