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    1. tungsten

      英 ['t??st(?)n] 美['t??st?n]
      • n. [化學(xué)] 鎢(一種金屬元素)

      暢通詞匯

      中文詞源


      tungsten 鎢

      由該金屬元素發(fā)現(xiàn)者 18 世紀(jì)瑞典化學(xué)家 Karl Wilhelm Scheele 根據(jù)瑞典語創(chuàng)造出來的詞,來 自 tung,重的,sten,石頭,詞源同 stone.

      英文詞源


      tungsten (n.)
      rare metallic element, 1796, from Swedish tungsten "calcium tungstate," coined 1780 by its discoverer, Swedish chemist Karl Wilhelm Scheele (1742-1786) from tung "heavy" + sten "stone" (see stone (n.)). The word was used earlier as the name for calcium tungstate (1770). Atomic symbol W is from Latin wolframium, from German Wolfram "iron tungstate" (see wolfram).

      雙語例句


      1. Tungsten is classified among the metals.
      鎢歸入金屬類.

      來自《現(xiàn)代漢英綜合大詞典》

      2. A glass or quartz tube has tungsten electrodes sealed in each end.
      兩根鎢絲電極是封在玻璃管或石英管的兩端.

      來自辭典例句

      3. The tungsten shines and gives a good light.
      鎢絲發(fā)亮而射出耀眼的光芒.

      來自辭典例句

      4. We make an electron gun which consists of a tungsten wire heated by an electric current.
      我們制造了一把電子槍,它包括一根用電流加熱的鎢絲.

      來自辭典例句

      5. High frequency directs the arc, cannot produce the phenomenon of clamping tungsten.
      高頻引弧, 不會產(chǎn)生夾鎢現(xiàn)象.

      來自互聯(lián)網(wǎng)