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TOEFL IELTS BNC: 2196 COCA: 2998

efficient

efficient ˈfɪʃənt/ adjective
efficient
ˈfɪʃənt/
adjective
Learner's definition of EFFICIENT
[more efficient; most efficient]
: capable of producing desired results without wasting materials, time, or energy效率高的;高效能的

— efficiently

adverb

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