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     start learning
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      an imperfectly developed female calf, usually sterile, born as the twin of a male    start learning
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      rthey were destined to become freemartins  
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      Pol. niedogodność, uciążliwość    start learning
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      fertility is merely a nuisance  
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      below the standard expected;    start learning
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      why do you want to keep the embryo below par?  
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      . Long years of superfluous and wasted immaturity.  
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      of, or in the earliest stage of development; embryonic    start learning
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      Could the effects of this germinal mutation be undone?  
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      to go back to a former practice, condition, belief, etc;     Pol. powrócić (do czegoś)   start learning
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      Could the individual Epsilon embryo be made to revert to the normality of dogs and cows?  
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      They were predestined to emigrate to the tropics, to be miners and acetate silk spinners  
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      Pol. robotnik zatrudniony w przędzalni    start learning
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      Sb who is ____ is polite and respectful towards sb else;     Pol. pełen szacunku, pełen poważania   start learning
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      a rather deferential smile  
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      Pol. dur brzuszny, tyfus brzuszny    start learning
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      the usual typhoid and sleeping sickness  
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      'The embryos still have gills.  
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      Pol. soda żrąca/kaustyczna    start learning
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      they were being trained in the toleration of lead, caustic  
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      they were being trained in the toleration of tar  
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      they were being trained in the toleration of chlorine  
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      A _____ problem, situation, or task is difficult and needs to be dealt with carefully;    start learning
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      'Doing repairs on the outside of a rocket in mid air is a ticklish job  
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      If sth ___, it becomes slower, less active, or less intense;     Pol. zmniejszyć, poluzować   start learning
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      We slacken off the circulation when they're right way up  
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      They learn to associate topsy-turvy with well-being  
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