4000 Duolingo (I J K) - Spelling Practices

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(1) n. 고드름 pendent spear of ice formed by the freezing of dripping water

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(2) v. 방해 hinder; charge with improper conduct; challenge the validity of; try to discredit

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(3) n. 산업화 development of industry on an extensive scale

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(4) a. 탄력 not elastic; lacking elasticity; unyielding or inadaptable

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(5) n. 유아 child in the first period of life; young babe

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(6) a. 감염 able to pass disease from one person, animal, or plant to another; contaminating

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(7) v. 달이다 introduce into the body through a vein; undergo the process of infusion

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(8) a. 독창 clever; having the inventive or cunning mind

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(9) v. 서식 live in; occupy; reside in

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(10) n. 혁신 introduction of something new