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efficient
mastery/ɪˈfɪʃənt/adjnoun
card 1 of 10 · context meaning
Which meaning of 'efficient' best matches its use in the sentence?
The motor is only 20% efficient at that temperature.
card 1 of 10 · context meaning
Which meaning of 'efficient' best matches its use in the sentence?
The motor is only 20% efficient at that temperature.