名词
中文翻译：先锋金属
同义词：
['pioneer steel', 'pioneer alloy', 'pioneer material']
例句：
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1. The pioneer metal was used to build the first roads in this region.
这种先锋金属被用来建造该地区的第一条道路。
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2.The pioneer metal is highly durable and resistant to corrosion.
这种先锋金属非常耐用，不易腐蚀。
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3. The pioneer metal has been widely used in various industries due to its high strength and ductility.
由于其高强度和良好的延展性，先锋金属在各种行业中得到了广泛的应用。