electron
英 [?'lektr?n]
美[?'l?ktrɑn]
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.
來自《簡明英漢詞典》
- 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.
來自《簡明英漢詞典》
- 3. Freedom, gravity, ego, and electron are constructs.
- 自由, 萬有引力, 自我中心以及電子都是概念.
來自《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)科技新奇跡在英國劍橋大學(xué)誕生了——這就是掃描電子顯微鏡。
來自柯林斯例句
- 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。
來自柯林斯例句