橘子朗文词典

porous

P 开头单词雅思备考词托福词汇GRE词汇

音标发音

  • 英式音标 [ˈpɔː.rəs]
  • 美式音标 [ˈpɔrəs, ˈpor-]
  • 国际音标 ['pɔ:rəs, 'pəu-]
  • 英式发音
  • 美式发音

基本解释

  • adj. 多孔渗水的；能渗透的；有气孔的

词根记忆

  • por(开口) + ous→有开口的→有孔的，多孔的
  • 来自pore(n.孔)

同根派生

  • adj性质的同根词
    porose：多孔的；有孔的。
  • n性质的同根词
    porosity：有孔性，多孔性。
    porousness：[物]多孔性；孔隙率。

英汉例句

    双语例句

  • They designed an electrode made from porous carbon and lithium oxide.
    他们设计出的电极由多孔碳和锂氧化物制成。
  • The team found that parts of the seamount's steep flanks were made of porous volcanic material, leaving them weak and unstable.
    研究小组发现，海山陡峭的侧翼局部由多孔的火山物质构成，这正是其脆弱和不稳定的诱因。
  • The porous nature of an oak barrel allows some evaporation and oxidation to occur in wine, to concentrate its flavor and aroma compounds.
    橡木桶的多孔性使得酒中可以进行一些蒸发及氧化反应，以增加影响风味和香味的化合物的浓度。

    • 原声例句

  • aimed at securing Helmand province, the Pakistani military deployed soldiers to the rugged and porous border in southern Baluchistan, situated directly across from Helmand.
  • OK, so we ended up last time, we talked about Joule-Thomson expansion, which is an irreversible expansion through a nozzle, through a porous plug, constant enthalpy expansion.
    上节课，我们讨论了焦耳-汤姆逊，膨胀过程,也就是气体，通过毛细管。
    麻省理工公开课 - 热力学与动力学课程节选
  • You take a throttle valve, which consists of some sort of porous plug between two cylinders that is insulated. There is insulation here.
    有一个节流阀，它由一些多孔的塞子组成,这些多孔塞在两个绝热的汽缸之中,这里是绝热的，底下也是绝热的。
    麻省理工公开课 - 热力学与动力学课程节选

    • 权威例句

  • But all borders are slightly porous, and the French judge decided that 90% was good enough.
    ECONOMIST: Geography and the net

词组短语

    短语

  • porous concrete 多孔混凝土
  • porous printing 孔版印刷
  • porous ceramics 多孔陶瓷，多孔性陶瓷
  • porous plug 透气塞;多孔塞子
  • porous glass [玻璃]多孔玻璃;多孔性玻璃;多孔玻璃

英英字典

    剑桥英英字典

  • Something that is porous has many small holes, so liquid or air can pass through, especially slowly.

    • 柯林斯英英字典

  • Something that is porous has many small holes in it that water and air can pass through.

专业释义

    能源科学技术

  • 多孔

    In recent years, the porous media is extensively used in fuel cell.
    近年来,多孔介质材料在燃料电池中得到广泛的应用。

    医药科学

  • 多孔

    After soaking in 0.5M lactated Hank’s solution for 500h, the plateau stress of the porous Ti35Nb alloy degraded evidently.
    在0.5M乳酸Hank’s溶液中浸泡了500小时后,多孔Ti35Nb合金平台应力下降较大。

  • 多孔的

    • 生物学

  • 有导管的
  • 多孔的
  • 有孔的
  • 细孔组织
  • 充满细孔的;具有导管或细孔的

    • 材料科学

  • 渗透的