名词中文翻译1
中文翻译：Unknown
同义词：
['penny-shaped fissure', 'penny-shaped fracture']
例句：
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1. The old brick wall had a penny-shaped crack in it.
旧砖墙有一个 penny-形状的裂缝。
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2. The rock was so hard that it had a penny-shaped crack running through it.
这块岩石非常坚硬，以至于它有一条 penny-形状的裂缝贯穿其中。
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3. The car's engine compartment had a penny-shaped crack in the floor.
汽车引擎舱地板有一个 penny-形状的裂缝。