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    1. electron

      英 [?'lektr?n] 美[?'l?ktrɑn]
      • n. 電子

      CET4TEM4考研TOEFLCET6中低頻詞常用詞匯

      詞態(tài)變化


      復(fù)數(shù):?electrons;

      中文詞源


      electron 電子

      electro, 電。-on, 離子,來(lái)自ion.

      英文詞源


      electron (n.)
      coined 1891 by Irish physicist George J. Stoney (1826-1911) from electric + -on, as in ion (q.v.). Electron microscope (1932) translates German Elektronenmikroskop.

      雙語(yǔ)例句


      1. The structure of molecules can be seen under an electron microscope.
      分子的結(jié)構(gòu)可在電子顯微鏡下觀察到.

      來(lái)自《簡(jiǎn)明英漢詞典》

      2. An electron has a negative charge, a proton has a positive charge.
      電子帶負(fù)電荷, 質(zhì)子帶正電荷.

      來(lái)自《簡(jiǎn)明英漢詞典》

      3. Freedom, gravity, ego, and electron are constructs.
      自由, 萬(wàn)有引力, 自我中心以及電子都是概念.

      來(lái)自《現(xiàn)代英漢綜合大詞典》

      4. A new technological marvel was invented at Cambridge University in England, the scanning electron microscope.
      一項(xiàng)科技新奇跡在英國(guó)劍橋大學(xué)誕生了——這就是掃描電子顯微鏡。

      來(lái)自柯林斯例句

      5. The electron microscope uses a beam of electrons to produce images at high magnifications.
      電子顯微鏡利用電子束形成高倍影像。

      來(lái)自柯林斯例句