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This stuff has a lot less sulfur than the coal mined elsewhere, so it burns cleaner, making the powder river basin the new king of coal.
这里的煤所含的硫磺比其它地方的少，产生的废气也少，使得河谷煤田成了煤田之王。
《America Revealed》《透视美国》
双语例句
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The area has been mined for slate for centuries.
这个地区开采板岩有数百年了。
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The coastal route had been mined.
沿海道路上布了地雷。
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The UN convoy was mined on its way to the border.
联合国车队在驶往边界的途中触雷被炸。
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The approaches to the garrison have been heavily mined.
通往卫戍区的路上布满了地雷。
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The pit is being shut down because it no longer has enough coal that can be mined economically.
那个煤矿要关闭了，因为储量不足，难以经济开采。
近义词
n.
exploitation
反义词
unmined
同根词
词根 mine
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mine n. 矿，矿藏；矿山，矿井；地雷，水雷 pron. 我的 vi. 开矿，采矿；埋设地雷 vt. 开采，采掘；在…布雷