Level 4 - 2 - Spelling Practices

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(1) v. [gặm mòn] destroy metal or alloy gradually, especially by chemical action; be eaten or worn away

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(2) n. [chứng nhận] a document or certificate proving a person's identity or qualifications; warrant

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(4) n. [đồng bằng] an area of flat land where a river spreads out into several smaller rivers before entering the sea

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(5) n. [dân chủ] a political system in which the supreme power lies in a body of elected people

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(6) v. [chẩn đoán] analyze; examine; identify the cause of something

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(7) n. [xoá] act of removing or getting rid of something

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(8) a. [tham gia] charming; tending to draw attention or affections

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(9) n. [xói mòn] corrosion; a gradual decline of something

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(10) v. [tiến hóa] develop gradually, or to cause something or someone to develop gradually