形容词
中文翻译：坚硬的
同义词：
['stiff', 'unyielding', 'inflexible例句：1. The material is extremelyrigid and cannot be bent easily.（这种材料极其坚硬，不易弯曲。）2. Thelaws are very rigid andrequire strict adherence to them.（法律非常严格，需要严格遵守。）']
例句：
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1. The material is extremelyrigid and cannot be bent easily.
这种材料极其坚硬，不易弯曲。
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2. Thelaws are very rigid andrequire strict adherence to them.
法律非常严格，需要严格遵守。
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3. Thestructure of the building is very rigid,making it difficult to modify or expand.
建筑结构非常僵硬，难以修改或扩展。