Group (2) - Spelling Practices

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(1) v. Syn. authorize; empower(授权,委任代表) authorize and send another person as one's representative; commit or entrust to another
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(2) n. (三角洲) an area of flat land where a river spreads out into several smaller rivers before entering the sea
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(3) n. Syn. destruction(根除,销毁) act of overthrowing, pulling down, or destroying
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(4) a. Syn. various(丰富多样的) differing in some characteristics; various
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(5) n. (文件) confirmation that some fact or statement is true 
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(6) n. (抽屉,画家,制图员) boxlike container in a piece of furniture, made so as to slide in and out 
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(7) v. Syn. surpass(超越,衰落,失色) darken; exceed in importance; outweigh
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(8) n. Syn. corrosion(腐蚀,侵蚀) corrosion; a gradual decline of something
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(9) v. Syn. arouse(刺激,使兴奋) arouse
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(10) v. Syn. intrigue; enthrall; captivate(使着迷,使神魂颠倒) cause to be interested or curious; captivate