Group (E F) - Spelling Practices

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(1) n. (エレガンス) refined quality of gracefulness and good taste
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(2) v. Syn. threaten; jeopardize(危険) threaten; jeopardize; do something that may damage it or destroy it
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(3) n. Syn. perseverance; stamina; duration(持久力) perseverance; state or fact of persevering; continuing existence
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(4) v. Syn. reserve(係) 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(豊か) make rich; richen; improve
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(6) n. (境界) outer, protective layer of skin of vertebrates
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(7) n. Syn. outbreak(噴火) outbreak; sudden, often violent outburst
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(8) a. Syn. necessary; critical; vital; indispensable; fundamental(必須) necessary; critical; vital; constituting or being part of the essence of something
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(9) n. Syn. substitute(交換) substitute; trade in; give in return for something received
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(10) v. (実行) put into effect; carry out the legalities of