Group (A) - Spelling Practices

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(1) a. (абразивных) rubbing away; tending to grind down
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(2) a. Syn. sudden; unforeseen(резкое) broken off; very steep; having sudden transitions from one subject to another
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(3) a. Syn. theoretical; abstruse(Аннотация) theoretical; not concrete; not applied or practical; difficult to understand
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(4) n. (Академия) school for special instruction; society of scholars, scientists, or artists
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(5) a. Syn. unexpected; unforeseen(случайно) unexpected; unforeseen
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(6) a. Syn. artificial; pretended(пострадавших) speaking or behaving in artificial way; emotionally stirred or moved; infected or attacked
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(7) n. (помощь) person or thing that promotes or helps in something done; helper; assistant
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(8) n. Syn. authorization; permission(учетом) approval; act of allowing, granting, or admitting
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(9) ad. (вдоль) by the length; in a line with the length; onward; forward; in company; together
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(10) ad. Syn. yearly(ежегодно) yearly; each year; returning every year; year by year