Group (E F) - Spelling Practices

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(1) n. (우아) refined quality of gracefulness and good taste
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(2) v. Syn. threaten; jeopardize(위험) threaten; jeopardize; do something that may damage it or destroy it
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(3) n. Syn. perseverance; stamina; duration(인내) perseverance; state or fact of persevering; continuing existence
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(4) v. Syn. reserve(참여) obtain for services of; arrange for the use of; pledge or promise, especially to marry
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(5) v. Syn. make rich; richen; improve(풍성) make rich; richen; improve
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(6) n. (표피) outer, protective layer of skin of vertebrates
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(7) n. Syn. outbreak(분화) outbreak; sudden, often violent outburst
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(8) a. Syn. necessary; critical; vital; indispensable; fundamental(필수) necessary; critical; vital; constituting or being part of the essence of something
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(9) n. Syn. substitute(교환) substitute; trade in; give in return for something received
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(10) v. (명시) put into effect; carry out the legalities of