Group (D) - Spelling Practices

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(1) n. (水坝,筑坝) barrier to prevent the flow of liquid, especially built across a water course
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(2) v. Syn. rush; cast(飞奔,投掷) move suddenly and rapidly
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(3) n. (数据库) collection of data arranged for ease and speed of search and retrieval
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(4) n. Syn. announcement; avowal; statement(宣布,宣言) announcement; explicit statement; formal public statement
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(5) n. (防御,预防) act of defending against attack, danger, or injury
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(6) n. Syn. scarcity; insufficiency(缺乏,不足) scarcity; lack or shortage, especially of something essential to health
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(7) v. Syn. consider; ponder(深思熟虑的,商讨) consider; think about carefully; weigh
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(8) n. (洗洁精,洗涤剂) cleansing agent; substance that acts similarly to soap
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(9) n. (措辞,用语) choice and use of words in speech or writing
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(10) v. (游离主题,扯开) turn aside, especially from main subject in writing or speaking