名词
中文翻译:硬矿石
同义词:
['hard rock', 'hard metal']
例句:
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1.The mining company is searching for new sources of hard ore.
该公司正在寻找新的硬矿石来源。
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2.The hard ore was mined from deep within the earth's crust.
这种硬矿石是从地球地壳深处开采出来的。
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3. Hard ore is a valuable resource that can be used in various industries.
硬矿石是一种宝贵的资源,可以用于各种行业。