名词中文翻译
中文翻译：硬度
同义词：
['stiffness', 'toughness', 'rigidity例句：1. The material is very hardness to work with.（这种材料很难加工。）']
例句：
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1. The material is very hardness to work with.
这种材料很难加工。
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2.The metal has a high hardness and can be easily scratched.
这种金属很硬，很容易刮伤。
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3.The new car has a high hardness and excellent performance.
这款新车硬度高，性能优良。