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| duel | 
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| n. [дуэль] combat between two persons; fought with deadly weapons by agreement; A fight-to-the-last-breath duel is often more compelling than merely a parade of highlight plays. | 
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| dumbfound | 
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| v. [огорошить] fill with astonishment and perplexity; confound That he could shop for them on Amazon.com would dumbfound him; it would be a wonderful experience he never had before. | 
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| dunce | 
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| n. [балбес] backward in book learning; child or another person dull or weak in intellect; dullard or dolt It is very impolite to call others a dunce. | 
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| dwindle | 
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| v. [сокращаться] shrink; reduce in size; become less The food in the lifeboat gradually had to dwindle away to nothing; in the end, they ate the ship's cook. | 
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| ecology | 
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| n. [Экология] science of the relationships between organisms and their environments He has actual professional qualifications in ecology and conservation. | 
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| eddy | 
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| n. [Эдди] swirling current of water, air; flow in a circular current The water in the tide pool was still, except for an occasional eddy. | 
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| editorial | 
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| a. [Редакция] of or pertaining to an editor; written or sanctioned by an editor I have made a lot of editorial changes in their book. | 
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| eerie | 
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| a. [жуткое] suggestive of the supernatural; mysterious In that eerie setting, it was easy to believe in ghosts and other supernatural beings. | 
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| efface | 
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| v. [вычеркнуть] rub or wipe out; make indistinct as if by rubbing He handled the coin so many times to efface its date. | 
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| elderly | 
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| a. [пожилых] somewhat old; advanced beyond middle age Supplying daycare services for the elderly is a business that is certain to continue to grow in the coming decades. | 
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| electrical | 
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| a. [электрические] pertaining to electricity;  electric There are many lights and electrical instruments on the computer console. | 
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| elucidate | 
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| v. [выяснения] make clear or plain, especially by explanation; clarify He was called upon to elucidate the disputed points in his article. | 
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| elude | 
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| v. [ускользать] avoid cleverly; escape the perception of The logic of the concluding paragraph seems to elude me. | 
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| emanate | 
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| v. [исходить] come or send forth from a source, used chiefly of an intangible thing, as light Angry voices emanate from the next room. | 
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| embark | 
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| v. [начать] commence; go onboard a boat or airplane; begin a journey We will embark upon a new career in this city. |