名词
中文翻译：内部断裂
同义词：
['internal crack', 'internal fracture']
例句：
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1. The car's engine hasan internal break in the cylinder head.
这辆车的引擎在气缸头上有一个内部裂缝。
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2. The team decided to take a breakafter the intense training session.
团队决定在激烈的训练课后休息一下。
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3. Theold house had several internalbreaks that needed repairing.
这所老房子有几个需要修理的内部裂缝。