Academic Words Level 4 - 4 - Spelling Practices

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(1) v. [뻗치다] prolong; draw out or lengthen in time

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(2) a. [날카로운] clever; characterized by keen awareness, sharp intelligence

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(3) n. [슬래그] residue by smelting metal ore; waste material from a coal mine; scum that forms on the surface of molten metal

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(4) n. [사양] instruction; description; an act of specifying or making a detailed statement

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(5) n. [녹말] naturally abundant nutrient carbohydrate, found chiefly in the seeds, fruits

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(6) n. [상부 구조] physical or conceptual structure extended or developed from a basic form; part of a building above the foundation

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(7) v. [동기화] happen at the same time; arrange or represent events so that they co-occur

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(8) a. [임시] hesitant; not fully worked out or developed; experimental; not definite or positive

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(9) v. [위협] frighten; fill with terror

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(10) n. [겁많음] lack of self-confidence or courage