4000 CELPIP (E F) - Spelling Practices

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(1) a. 식용 eatable; the substance that can be used as a food

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(2) n. 효과 efficiency; quality of being effective

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(3) a. 효율 effective; acting directly to produce an effect; exhibiting a high ratio of output to input

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(4) a. 노인 somewhat old; advanced beyond middle age

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

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(6) a. 어려운 difficult to describe; difficult to detect or grasp by the mind

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(7) a. 필수 necessary; critical; vital; constituting or being part of the essence of something

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(8) ad. 윤리적 in an ethical manner; according to the doctrines of morality

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(9) n. 외관 outside; external or outward appearance

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(10) a. 외도를 확장 loyal; worthy of trust or belief; reliable