• 基础释义
  • 例句
  • 四级真题
  • 六级真题
  • 柯林斯词典释义
例句
英语四级真题
    For example, one who doesn't know the rules a about plagiarism (剽窃) may accidentally use words or ideas without giving proper credit or one who fails to keep careful research notes may unintentionally fail to quote and cite sources as required.
    出自-2011年12月阅读原文
    But experts say that even when combined , alternative energy sources will likely meet only about 30% of the world's energy needs by
    出自-2011年12月阅读原文
    For example, even with significantinvestments, such as the $93 million for wind energy development included in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels comprise only about 1% of the market today
    出自-2011年12月阅读原文
英语六级真题
    By 1973, domestic US sources of oil were peaking, and the nation was importing more of its oil, depending on a constant flow from abroad to keep cars on the road and machines running.
    出自-2013年6月阅读原文
    These included developing additional domestic sources (such as those on Alaska's North Slope), resuming extraction at sites that had been shut down because of cost inefficiency, capping the price that domestic producers could charge for oil, and beginning to import oil from a greater diversity of nations
    出自-2013年6月阅读原文
    They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.
    出自-2013年6月听力原文
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    来源;产地
    The source of something is the person, place, or thing which you get it from.
    例句
    ...over 40 per cent of British adults use television as their major source of information about the arts... 40 %以上的英国成年人把电视当作获取艺术文化信息的主要途径。 Renewable sources of energy must be used where practical... 必须在可行的地方使用可再生能源。
  • VERB
    寻找(产品或原料的)货源
    In business, if a person or firm sources a product or a raw material, they find someone who will supply it.
    例句
    Together they travel the world, sourcing clothes for the small, privately owned company... 他们一道走遍世界各地,为那家私营小公司寻觅服装货源。 About 60 per cent of an average car is sourced from outside of the manufacturer. 一辆普通汽车上大约有60%的部件是由制造商以外的其他供应商提供的。
  • N-COUNT
    消息来源;消息人士;(论文中引文的)出处,原始资料
    A source is a person or book that provides information for a news story or for a piece of research.
    例句
    Military sources say the boat was heading south at high speed... 军方称这艘船当时正高速向南行进。 She quotes secondary and primary sources without distinction. 她对二手资料和一手资料的引用毫无区别。
  • N-COUNT
    (困难的)根源,原因
    The source of a difficulty is its cause.
    例句
    This gave me a clue as to the source of the problem. 这件事给我提供了找出问题根源的线索。
  • N-COUNT
    (河流的)源头
    The source of a river or stream is the place where it begins.
    例句
    ...the source of the Tiber. 台伯河的源头