| 单词 | octane rating |
| 释义 | octane rating (once / 454589 pages) n WORD FAMILY octane rating: octane ratings USAGE EXAMPLESBut it is the quality of the fuel, not its octane rating, that matters. New York Times(Sep 22, 2016) The higher octane rating of premium fuel, which allows it to withstand more compression before it will ignite, makes it well suited to turbocharged engines. National Geographic(May 20, 2016) Lead was added to gasoline in the early 1920s to help reduce engine knocking and boost octane ratings. Washington Times(Mar 21, 2015) n a measure of the antiknock properties of gasoline Syn|Hyper octane number amount, measure, quantity how much there is or how many there are of something that you can quantify |
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