名词
中文翻译：硬沥青
同义词：
['hard tar', 'hard bitumen']
例句：
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1.The road was so hard asphalt that it was difficult to drive on it.
这条道路的路面太硬了，很难在上面行驶。
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2. The asphalt pavement was cracked and uneven, making driving even more challenging.
沥青铺装路面裂开且不平整，使得驾驶更加困难。
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3. The construction crew had to use heavy machinery to remove the hard asphalt before they could start laying the new road.
施工队不得不使用重型机械来移除硬沥青，才能开始铺设新的道路。