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hardness是什么意思及用法

沪江词库精选hardness是什么意思、英语单词推荐、用法及解释、中英文句子翻译、英语短语
英音 ['hɑ:dnis] ;
美音 ['hɑ:dnis] ;
不可数名词:
坚硬,困难,严厉,勇气
英语解释
  • the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
  • the quality of being difficult to do
  • devoid of passion or feeling; hardheartedness
  • excessive sternness
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