electron是什么意思 electron的用法 electron怎么读
electron
英 [ɪ'lektrɒn]美 [ɪ'lɛktrɑn]
n. 电子
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星级词汇:★★★
中文词源
electron 电子
electro, 电。-on, 离子，来自ion.
英语词源
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.权威例句
1. The structure of molecules can be seen under an electron microscope.
分子的结构可在电子显微镜下观察到.
2. An electron has a negative charge, a proton has a positive charge.
电子带负电荷, 质子带正电荷.
3. Freedom, gravity, ego, and electron are constructs.
自由, 万有引力, 自我中心以及电子都是概念.
4. A new technological marvel was invented at Cambridge University in England, the scanning electron microscope.
一项科技新奇迹在英国剑桥大学诞生了——这就是扫描电子显微镜。
5. The electron microscope uses a beam of electrons to produce images at high magnifications.
电子显微镜利用电子束形成高倍影像。
[ electron 造句 ]
