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 4000 Duolingo (N O) - Spelling Practices
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n. ma tuý the addictive drug, such as opium that reduces pain, alters mood and behavior; inducing sleep


Spelling Word: narcotic
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v. trung hòa make neutral and thus inoffensive


Spelling Word: neutralize
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n. Tiêu chuẩn convention; standard; rule


Spelling Word: norm
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n. đáng person of distinction or great reputation; the celebrity who is an inspiration to others


Spelling Word: notable
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v. lưu ý observe carefully; notice; show; indicate


Spelling Word: note
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n. phiền toái something that annoys or gives trouble and vexation; something that is offensive or noxious


Spelling Word: nuisance
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a. mùi having no odor; devoid of odor or fragrance


Spelling Word: odorless
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n. diễn xướng musical composition for voices and orchestra based on religious text


Spelling Word: oratorio
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n. dàn nhạc a large group of musicians who play many different instruments together


Spelling Word: orchestra
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a. gốc not second hand; not copied or translated from something else


Spelling Word: original