4000 Duolingo Vocabulary List

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n. الجسيمات براءة الاختراع grant made by the government to creator the sole right; invention protected by grant

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n. الممرض any disease-producing agent

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n. التصور understanding; feeling; effect or product of perceiving

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v. إدامة make something last; preserve from extinction

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a. الرائد initial; groundbreaking; originating; serving to pioneer

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v. المحراث move in a way that is cutting or going through something; cultivate; farm; break and turn over earth

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n. القطب a long rod; one of two divergent or mutually exclusive opinions

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n. تلوث contamination; undesirable state of the natural environment being contaminated

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a. عمليا feasible; capable of being affected, done, or put into practice

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a. يمكن التنبؤ بها expectable; likely; capable of being predicted or foretold