Group (A B) - Spelling Practices

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(1) v. Syn. condense; shorten(删节,节选) condense; shorten; reduce length of written text
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(2) n. Syn. acquirement; attainment(获得) act of contracting or assuming or acquiring possession of something
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(3) a. Syn. adjoining; neighboring(邻近的,毗邻的) adjoining; neighboring; close to; lying near
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(4) v. Syn. assert; confirm(断言,证实,确认) assert; confirm
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(5) n. Syn. intelligence; talent(能力,才能) inherent ability; quickness in learning and understanding
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(6) n. (弧形,拱形) continuous portion of a circle; something curved in shape 
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(7) a. Syn. hard; strenuous(努力,奋发) demanding great effort or labor; difficult
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(8) n. (天文学) branch of physics that studies celestial bodies and universe as a whole
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(9) v. Syn. prevent(转移,防止) prevent; turn or cause to turn off or away
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(10) n. (细菌) single celled organism with no nucleus