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    high speed

  1. Oxford Dictionary

    high-speed

    • IPA[ˌhʌɪˈspiːd]

    英式

    • adj.
      moving, operating, or happening very quickly；(of photographic film) needing little light or only short exposure.
    • 釋義

    形容詞

    • 1. moving, operating, or happening very quickly high-speed travel
    • ▪ (of photographic film) needing little light or only short exposure.
    • ▪ (of steel) suitable for drill bits and other tools that cut so fast that they become red-hot.