Group (2) - Spelling Practices

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(1) v. Syn. delay; postpone(推迟,延期) delay till later; put off; hold back to a later time
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(3) n. Syn. destruction(根除,销毁) act of overthrowing, pulling down, or destroying
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(4) v. Syn. bore; pierce(钻孔,打眼,锻炼) bore; pierce; make a hole; practice; train
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(5) n. (生态学家) biologist who studies relation between organisms and their environment
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(6) n. (百科全书) a reference work containing articles on various topics 
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(7) n. Syn. amusement; fun(娱乐) amusement; fun
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(8) a. Syn. eloquent; demonstrative; indicative(有表现力的,富有表情的,生动的) demonstrative; indicative
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(9) n. (改建,表面修改) a renovation that improves the outward appearance; plastic surgery to remove wrinkles and other signs of aging from your face
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(10) n. Syn. gas; smoke(有害,浓烈或难闻的气体) a cloud of fine particles suspended in a gas; emit a cloud of fine particles