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1. Oxford American Dictionary

   efficient

   • IPA[əˈfiSHənt]

   美式

   • adj.
     (especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense；(of a person) working in a well-organized and competent way
2. • 釋義

   adj.

   形容詞

   • 1. (especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense fluorescent lamps are efficient at converting electricity into light 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, labor-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient反義詞 inefficient, disorganized
   • ▪ (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, labor-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