Level 4 - 3 - Spelling Practices

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(1) n. [허브] core port; nucleus; heart; center

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(2) v. [복잡] bustle; cause to move furtively and hurriedly

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(3) n. [수소] a nonmetallic univalent element that is normally a colorless and odorless, highly flammable diatomic gas

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(4) n. [위생] the degree to which people keep themselves or their environment clean; sanitation

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(5) v. [즉흥] compose, perform, or do something with little or no preparation

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(6) n. [개인주의] a belief in the importance of the individual and personal independence

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(7) n. [혈통] direct descent from a particular ancestor; ancestry

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(8) n. [맨틀] a loose sleeveless coat worn over outer garments; cloak as a symbol of authority; covering; envelope

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(9) n. [역학] branch of physics concerned with the motion of bodies

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(10) v. [부정하다] cancel out; make ineffective or invalid; deny