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advertisements, adverts, ads
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eksportować/importować produkt start learning
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niedorozwiniety, zacofany start learning
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scientist/scientific/science
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chemist/chemical/chemistry
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biolog/biologiczny/biologia start learning
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biologist/biological/biology
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physicist/physical/physics
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genetyk/genetyczny/genetyka start learning
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geneticist/genetic/genetics
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dodatek (konserwat, barwnik) start learning
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kolega lub koleżanka z pracy start learning
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start learning
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the CEO - Chief Executive Officer
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przeprowadzać eksperymenty start learning
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