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  3. /fuel-efficiency

fuel-efficiency

UK/fjʊəl-ɪ'fɪʃ(ə)nsɪ/US

Definitions

n.

How economically a vehicle or engine uses fuel

燃油效率;燃料利用率

Root Breakdown

Native English
fuelroot
+
ef-out of, from
+
ficmake, do
+
-iencysuffix
=fuel-efficiency

fuel + efficiency. efficiency is ef- (out) + fic (do/make) = the power to get results out — here, results per unit of fuel.

Root fac still carries 273 more words

Common Collocations

  • 1.fuel-efficiency standard燃油效率标准
  • 2.fuel-efficiency rating燃油效率等级

Example Sentences

  • 1.

    Hybrid cars are prized for their high fuel-efficiency.

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