记作业>英语词典>extraction翻译和用法

extraction

英 [ɪkˈstrækʃn]

美 [ɪkˈstrækʃn]

n.  提取; 提炼; 拔出; 开采; 有…血统; 族裔; 拔牙

复数:extractions 

CET6TEM8化学

BNC.7879 / COCA.10457

牛津词典

    noun

    • 提取;提炼;拔出;开采
      the act or process of removing or obtaining sth from sth else
      1. oil/mineral/coal, etc. extraction
        石油、矿物、煤等的开采
      2. the extraction of salt from the sea
        从海水中提取盐
    • 有…血统;族裔
      having a particular family origin
      1. an American of Hungarian extraction
        匈牙利血统的美国人
    • 拔牙
      the removal of a tooth

      柯林斯词典

      • N-UNCOUNT 血统;家世
        If you say, for example, that someone isofFrenchextraction, you mean that they or their family originally came from France.
        1. Her real father was of Italian extraction...
          她的亲生父亲是意大利裔。
        2. He married a young lady of Indian extraction.
          他娶了一位年轻的印度裔女子。

      英英释义

      noun

      • the action of taking out something (especially using effort or force)
        1. the dentist gave her a local anesthetic prior to the extraction
      • properties attributable to your ancestry
        1. he comes from good origins
        Synonym:origindescent
      • the process of obtaining something from a mixture or compound by chemical or physical or mechanical means

        双语例句

        • He married a young lady of Indian extraction.
          他娶了一位年轻的印度裔女子。
        • A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction.
          对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
        • In this work, propolis essential oil was obtained by steam distillation extraction and supercritical CO2 extraction, respectively.
          采用水蒸气蒸馏法和超临界二氧化碳萃取法获得了蜂胶挥发油。
        • This paper described the function of Ganoderma polysaccharides and introduced its extraction, structural effection function and application.
          对灵芝多糖的功能进行了详细阐述,并简单介绍了灵芝多糖的提取工艺、功效关系及其应用。
        • Establish the quality standard of extraction, and stipulate corresponding quality index.
          建立了提取物的质量标准,规定了相应的质量指标。
        • Zidane has become the poster child for a whole generation of French-born youths of North African extraction
          齐达内已成为在法国出生、有着北非血统的年轻一代的典范。
        • A new method of3D facial feature extraction based on curvature information is proposed in this paper.
          提出了一种基于曲率信息的三维人脸面部特征提取方法。
        • Objective: To optimize the extraction process of total flavonoids in Anchusa italica Retiz.
          目的:研究维吾尔药牛舌草中总黄酮的最佳提取工艺。
        • The topic of this article is the selection and extraction of data from an Apache Derby database.
          本文的主题是从ApacheDerby数据库中选择和提取数据。
        • Extraction and aggregation RSS2.0 has only one recognized form: an document.
          提取和聚合RSS2.0只有一个可识别的形式:一个文档。