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refractory [ri'fræktəri]
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词性及解释
  • a.
    不听话的, 执拗的, 难治疗的, 耐火的
  • 【医】
    不应的(期), 难治的, 顽固性的
词形变化
副词: refractorily 名词: refractoriness 名词复数: refractories
英英解释
  • 1.
    adj.temporarily unresponsive or not fully responsive to nervous or sexual stimuli
    [例]
      the refractory period of a muscle fiber
  • 2.
    adj.not responding to treatment
    [例]
      a stubborn infection
      a refractory case of acne
      stubborn rust stains
常用词组
例句
  • 1.
    It requires a positive, a core made of refractory material and an outer layer of wax.
    用耐火材料做成实心的正像,外面覆以蜡层。
  • 2.
    Silicate minerals are characteristically refractory and difficult to break down
    硅酸盐矿物的特点是耐熔和难以分离。
  • 3.
    AS refractory AS a mule.One that is recalcitrant not only resists authority but rebels against it
    犟得象头骡子。一个recalcitrant的人不仅抵抗权威,而且还起来反对它
  • 4.
    Different insulation materials such AS refractory, refractory cAStable and fiber insulation materials are used in different zones.
    炉子的保温材料根据炉子温度要求不同,分别选用耐火砖,耐火浇注料,纤维保温材料。
  • 5.
    Care must BE taken to completely seal entrance plugs(eg. at a manway)in refractory linings
    必须小心地完全封闭耐火材料衬里的进口门。
  • 6.
    The excreta of aquatic animals-fish, frogs, turtles, snakes, ETC-contain similar refractory materials
    水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
  • 7.
    In selecting a refractory FOR a particular use, we should consider the texture, the crushing strength, and the chemical composition of the material.
    为特定用途选择耐火材料时,要考虑其质地、抗碎强度和成分。
  • 8.
    Greece has been producing refractory grade chromite ore for more than a hundred years
    希腊生产耐火级铬铁矿石已有百余年历史。
  • 9.
    A vessel made of a refractory substance such as graphite or porcelain,used for melting and calcining materials at High temperatures.
    坩埚一种用石墨或瓷等耐熔物质制成的器具,用来在高温时熔化或煅烧原料
  • 10.
    There is an opening in the bottom of the ladle, called nozzle, which is sealed with a vertical refractory stopper.
    盛钢桶底有个叫作水口的孔,由一根直立的耐火材料做的塞棒堵住。
词汇级别

小测验:选择正确的单词

refractory means:
  • A.lducky
  • B.mdulti-colored
  • C.sdtubborn
  • D.udncomplimentary

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