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1. Oxford Dictionary

   efficient

   • IPA[ɪˈfɪʃnt]

   英式

   • adj.
     (of a system or machine) achieving maximum productivity with minimum wasted effort or expense；preventing the wasteful use of a particular resource
2. • 釋義
   • 相關詞

   adj.

   形容詞

   • 1. (of a system or machine) achieving maximum productivity with minimum wasted effort or expense more efficient processing of information 同義詞 well organized, methodical, systematic, structured, well planned, ... 更多logical, coherent, well regulated, well run, well ordered, orderly, businesslike, systematized, streamlined, productive, effective, labour-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient反義詞 inefficient, disorganized
   • ▪ preventing the wasteful use of a particular resource an energy-efficient heating system
   • 2. (of a person) working in a well-organized and competent way an efficient administrator 同義詞 well organized, methodical, systematic, structured, well planned, ... 更多logical, coherent, well regulated, well run, well ordered, orderly, businesslike, systematized, streamlined, productive, effective, labour-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient反義詞 inefficient, disorganized

   efficient cause

   • n.
     an agent that brings a thing into being or initiates a change.

   Oxford Dictionary

   cost-efficient

   • adj.
     another term for cost-effective

   Oxford American Dictionary

   cost-efficient

   • adj.
     another term for cost-effective

   Oxford Dictionary

   efficient cause

   • n.
     an agent that brings a thing into being or initiates a change.

   Oxford American Dictionary

   fuel-efficient

   • adj.
     (chiefly of a vehicle) designed to prevent the wasteful consumption of fuel: an affordable, fuel-efficient compact car

   Oxford American Dictionary

   fuel-efficient

   • adj.
     (chiefly of a vehicle) designed to prevent the wasteful consumption of fuel: an affordable, fuel-efficient compact car

   Oxford Dictionary

3. • 更多解釋

   efficient

   • IPA[əˈfiSHənt]

   美式

   • adj.
     (especially of a system or machine) achieving maximum productivity with minimum wasted effort ... fluorescent lamps are efficient at converting electricity into light

   Oxford American Dictionary