名词短语
中文翻译：硬壳球体模型
同义词：
['hard-shelled sphere model', 'hard-shelled sphere model']
例句：
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1. The new modelof the car has a hard shell and a soft interior.
这款新车有一个硬壳和一个软内饰。
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2. The scientist used a hard shell to protect his research data.
科学家用一个硬壳来保护他的研究数据。
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3.The hard shell made it difficult for the animals to escape.
硬壳使得动物难以逃脱。