caseharden

动词 v.
中文释义

英文释义

动词 v.
  1. To harden the surface of iron or steel by infusing carbon into the surface layer.
  2. To make insensitive to hardship. broadly

词形变化

casehardens present,singular,third-person casehardening participle,present casehardened participle,past casehardened past case harden alternative

词源

From case + harden.
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