4000 Duolingo (E F) - Spelling Practices

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(1) n. 효율성 effectiveness; quality or property of being efficient; the ratio of useful output to the total input in any system

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(2) n. 전기 one whose occupation is the installation, maintenance, repair, or operation of electric equipment and circuitry

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(3) a. 초등학교 basic; fundamental; relating to the early stages of studying a subject

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(4) n. 고용 a person or firm that employs workers

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(5) n. 기부 gift; donation; funds or property donated to an individual or group

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(6) a. 지속 lasting; surviving; long-suffering; patient

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(7) a. 소수 민족 relating to races; a group of people sharing common racial, national, or religious heritage

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(8) a. 표현 showing what someone thinks or feels; indicative

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(9) v. 조작 build; put together out of components or parts

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(10) a. 공상 imaginative; not based on fact; dubious