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单词 case-hardened
释义 Adjective: case-hardened  keys 'haa(r)d(u)nd
  1. Used of persons; emotionally hardened
    "faced a case-hardened judge"
    - hardened, hard-boiled
Verb: caseharden  'keys`haa(r)d(u)n
  1. To subject to a process which converts the surface of iron into steel 
  2. To render insensible to good influences

See also: hard
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更新时间：2025/11/27 10:38:55