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  1. case-harden

    • IPA[ˈkāsˌhärd(ə)n]

    美式

    • v.
      harden the surface of (a material);give a hard surface to (iron or steel) by carburizing it
    • verb: case-harden, 3rd person present: case-hardens, gerund or present participle: case-hardening, past tense: case-hardened, past participle: case-hardened

    • 釋義
    • 相關詞

    動詞

    • 1. harden the surface of (a material) the blades are case-hardened with reinforced backing plates
    • give a hard surface to (iron or steel) by carburizing it the grade of steel was unsuitable for the type of heat treatment process used to case-harden the gears
    • make (someone) callous or tough years of surgical experience did not case-harden him to suffering
    • adj.
      (of a material) having a hard surface: case-hardened sandstones

    Oxford Dictionary

    • adj.
      (of a material) having a hard surface: case-hardened sandstones

    Oxford American Dictionary

    • 更多解釋
    • IPA[ˈkeɪsˌhɑːdn]

    英式

    • v.
      harden the surface of (a material): the blades are case-hardened with reinforced backing plates

    Oxford Dictionary