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término		definición
lodowiec a large mass of ice that moves slowly empezar lección		glacier a large mass of ice that moves slowly This glacier's always moving, so we have to be careful.
dwutlenek (cząsteczka zawierająca dwa atomy tlenu i jeden atom innego pierwiastka) a chemical substance consisting of two atoms of oxygen combined with one atom of another element empezar lección		dioxide a chemical substance consisting of two atoms of oxygen combined with one atom of another element Carbon dioxide is heavier than air, it won't float. Individual countries do not emit equal quantities of carbon dioxide.
obszerny, rozległy, szczegółowy covering a large area; having a great range empezar lección		extensive covering a large area; having a great range I've done extensive research on this topic. He has extensive knowledge of ancient history.

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