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单词 antiknock
释义

WordReference Random House Learner's Dictionary of American English © 2024
an•ti•knock /ˌæntiˈnɑk, ˌæntaɪ-/USA pronunciation   adj. [before a noun]
  1. Automotiveof, concerning, or being a material added to gasoline or other fuel for a car or truck engine to run smoothly by eliminating or minimizing knock.

WordReference Random House Unabridged Dictionary of American English © 2024
an•ti•knock  (an′tē nok′, an′tī-),USA pronunciation adj. 
  1. Automotivenoting or pertaining to any material added to fuel for an internal-combustion engine to eliminate or minimize knock.
  • anti- + knock 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
antiknock /ˌæntɪˈnɒk/ n
  1. a compound, such as lead tetraethyl, added to petrol to reduce knocking in the engine
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更新时间：2024/11/10 14:12:03