porous

音標(biāo)發(fā)音

• 英式音標(biāo) [?p??.r?s]
• 美式音標(biāo) [?p?r?s, ?por-]
• 國(guó)際音標(biāo) ['p?:r?s, 'p?u-]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• adj. 多孔滲水的；能滲透的；有氣孔的

詞根記憶

• por(開口) + ous→有開口的→有孔的，多孔的
• 來自pore(n.孔)

同根派生

• adj性質(zhì)的同根詞

  porose：多孔的；有孔的。

• n性質(zhì)的同根詞

  porosity：有孔性，多孔性。

  porousness：[物]多孔性；孔隙率。

• porous相關(guān)詞

英漢例句

雙語例句

• They designed an electrode made from porous carbon and lithium oxide.
  他們?cè)O(shè)計(jì)出的電極由多孔碳和鋰氧化物制成。
• The team found that parts of the seamount's steep flanks were made of porous volcanic material, leaving them weak and unstable.
  研究小組發(fā)現(xiàn)，海山陡峭的側(cè)翼局部由多孔的火山物質(zhì)構(gòu)成，這正是其脆弱和不穩(wěn)定的誘因。
• 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進(jìn)行一些蒸發(fā)及氧化反應(yīng)，以增加影響風(fēng)味和香味的化合物的濃度。

原聲例句

• 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.
  上節(jié)課，我們討論了焦耳-湯姆遜，膨脹過程,也就是氣體，通過毛細(xì)管。
  麻省理工公開課 - 熱力學(xué)與動(dòng)力學(xué)課程節(jié)選
• You take a throttle valve, which consists of some sort of porous plug between two cylinders that is insulated. There is insulation here.
  有一個(gè)節(jié)流閥，它由一些多孔的塞子組成,這些多孔塞在兩個(gè)絕熱的汽缸之中,這里是絕熱的，底下也是絕熱的。
  麻省理工公開課 - 熱力學(xué)與動(dòng)力學(xué)課程節(jié)選

權(quán)威例句

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

• porous更多例句

詞組短語

短語

• 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 透氣塞;多孔塞子
• porous glass [玻璃]多孔玻璃;多孔性玻璃;多孔玻璃

• porous更多詞組

英英字典

劍橋英英字典

• 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.

• porous劍橋字典
• porous柯林斯字典

專業(yè)釋義

能源科學(xué)技術(shù)

• 多孔

  In recent years, the porous media is extensively used in fuel cell.
  近年來,多孔介質(zhì)材料在燃料電池中得到廣泛的應(yīng)用。

  醫(yī)藥科學(xué)

• 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小時(shí)后,多孔Ti35Nb合金平臺(tái)應(yīng)力下降較大。

• 多孔的

生物學(xué)

• 有導(dǎo)管的
• 多孔的
• 有孔的
• 細(xì)孔組織
• 充滿細(xì)孔的;具有導(dǎo)管或細(xì)孔的

材料科學(xué)

• 滲透的