electron是什么意思 electron的用法 electron怎么读

electron

英 [ɪ'lektrɒn]美 [ɪ'lɛktrɑn]

n. 电子

使用频率:★★

星级词汇:★★★

ing-bottom: 100%;">

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 ]