Level 4 - 3 - Spelling Practices

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

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(2) v. [выявления] detect; find out; discover

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(3) n. [взаимодействия] communication; a mutual or reciprocal action; interacting

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(4) v. [оправдывают] adjust the spaces between words; show to be reasonable; explain, clear away

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(5) v. [отставание] delay; drag; the act of slowing down or falling behind

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(6) n. [мания] craze; madness; an irrational but irresistible motive for a belief or action

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(7) n. [природные] biologist knowledgeable about natural history

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(8) a. [аккуратные] clean or orderly; tidy, with everything in its place

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(9) n. [питание] a source of materials to nourish the body

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(10) v. [уничтожить] destroy completely; do away with completely so as to leave no trace