Level 4 - 4 - Spelling Practices

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(1) n. [水管工人] the craftsman who installs and repairs pipes and fixtures and appliances

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(2) n. [矫饰,做作] act of giving a false appearance; imaginative intellectual play

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(3) n. [蛋白质] any of a large group of nitrogenous organic compounds that are essential constituents of living cells

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(4) v. [复原,恢复,召集,集合] call up or summon; call together for a common purpose

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(5) a. [优雅的,精制的] cultured; purified; made pure

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(6) a. [可更新的,可恢复的] capable of being renewed or extended

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(7) v. [搔,抓,擦] cut the surface of; cause friction

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(8) n. [头骨] a bony skeleton of the head of vertebrates

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(9) n. [球体] ball; globe; a particular aspect of life or activity

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(10) n. [匙,勺子] a piece of cutlery with a shallow bowl-shaped container and a handle