名词
中文翻译：岩石
同义词：
['rock', 'rock formation', 'stratum']
例句：
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1. The geologist brock discovered the first dinosaur fossils in the area.
地质学家布罗克在该地区发现了第一批恐龙化石。
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2. The construction of this bridge required a large amount of brock to be transported and laid.
建造这座桥需要大量的岩石被运输和铺设。
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3. The brock was so hard that it could not be easily broken by tools.
这块岩石太硬了，不能被工具轻易地打破。