Level 2 - 4 - Spelling Practices

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(1) v. [精炼,精制] purify; make more precise; improve

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(2) a. [生殖的] producing new life or offspring

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(4) n. [低沉的隆隆声,年轻人帮派间的打斗] loud low, dull, continuous noise; the fight between rival gangs of adolescents

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(5) ad. [稍微,有点] to some extent or degree; rather; a bit; slightly

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(6) a. [球的,球状的] of or relating to spheres; having the shape of a sphere or ball

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(7) a. [多刺的,刺状的] prickly; barbed; having or covered with protective thorns

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(8) a. [星体的,恒星的] outstanding; principal; of or consisting of stars

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(9) v. [服从,提交] refer for judgment or consideration; hand in; present

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(10) n. [监督,管理] management by overseeing the performance