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octane rating

/ˈɒkteɪn ˌreɪtɪŋ/

翻译: 辛烷值是衡量汽油抗爆性能的数值指标,表示燃料在发动机中抵抗爆震(敲缸)的能力。数值越高,抗爆性越强。

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phrase

/ˈɒkteɪn ˌreɪtɪŋ/C1formaltechnical
  • zh辛烷值是衡量汽油抗爆性能的数值指标,表示燃料在发动机中抵抗爆震(敲缸)的能力。数值越高,抗爆性越强。

A numerical measure of the performance and anti-knock properties of a fuel, typically gasoline, indicating its ability to resist engine knocking or pinging during combustion.

  1. Fuel performance measureC1formal

    A standard measure of the performance of an engine or aviation fuel, indicating its ability to resist knocking or pinging during combustion.

    zh辛烷值

    • High-performance cars require fuel with a higher octane rating.
    • The octane rating of regular gasoline is usually 87.
    • Using a fuel with an incorrect octane rating can damage the engine.