Level 4 - 4 - Spelling Practices

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(1) n. [多边形] a closed plane figure bounded by straight sides

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(2) v. [在之前,早于,优先于] be or go before something or someone in time or space

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(3) n. [先例] act or instance that may be used as an example in subsequent similar cases

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(4) n. [捕食者] an animal that lives by preying on other animals; a person who robs or exploits others

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(5) n. [过程,加工] act of proceeding; continued forward movement; a series of actions

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(6) n. [资格,条件] an attribute or requirement that must be met

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(7) n. [茶点,提神之事物] activity that refreshes and recreates; snacks and drinks served as a light meal

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(8) v. [彻底改革,革命] completely change; dramatically change

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(9) a. [荒唐的,可笑的] completely lacking wisdom or good sense

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(10) a. [费力的,精力充沛的] arduous; intense; performed with much energy or force;