4000 Duolingo (U - Z) - Spelling Practices

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(1) n. ультиматум last offer; final statement of terms made by one party to another

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(2) a. неисследованные not discovered or explored, in any sense

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(3) v. унификации integrate; make into or become one unit

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(4) v. обновления raise to a higher grade or standard; advance

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(5) n. посуда instrument, implement, or container for practical use, especially in kitchen or laboratory

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(6) v. вакцинации perform or produce immunity

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(7) a. Напрасно having no real substance, value, or importance; empty; void; worthless; unsatisfying

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(8) n. силу goodness, moral excellence; good quality

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(9) a. летучие tending to vary often or widely, as in price; inconstant or fickle; tending to violence

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(10) n. вулкан fissure in the earth's crust through which molten lava and gases erupt