Group (1) - Spelling Practices

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(1) a. Syn. sudden; unforeseen(突然的,意外的) broken off; very steep; having sudden transitions from one subject to another
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(2) n. Syn. adjunct; appendage(附件) additional object; useful but not essential thing; subordinate or supplementary item
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(3) n. (青少年) a juvenile between the onset of puberty and maturity;
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(4) n. Syn. relic; curio(古董,过时的) any furniture old and valuable; out of fashion 
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(5) n. Syn. diligence(勤奋的付出,密切关注) close attention; work of applying something; verbal or written request for assistance
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(6) n. Syn. concentration; care(注意,重视,关心) act or state of attending or heeding; application of the mind to any object of sense, representation, or thought
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(7) n. (谷仓,畜棚) an outlying farm building for storing grain or animal feed and housing farm animals
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(8) n. Syn. flame(燃烧,照耀) brilliant burst of fire; destructive fire; flame
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(9) n. Syn. clump; cluster; gathering(串,束,群) clump; cluster; gathering
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(10) n. (峡谷) narrow chasm with steep cliff walls, cut into the earth by running water; a gorge