名词
中文翻译：裂缝
同义词：
['fissure', 'fracture']
例句：
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1.The car's engine has developed a cleavage crack in the cylinder head.
汽车的引擎在气缸头处出现了裂缝。
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2. The old tree had sustained a cleavage crack that required repair.
这棵老树出现了裂缝，需要修理。
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3.The rock was cracked open by the heavy rain, revealing a hidden cave.
雨水冲开了岩石，露出了一个隐藏的洞穴。