electron

英 [ɪˈlektrɒn]

美 [ɪˈlektrɑːn]

n.  电子

复数：electrons　

CET4CET6考研TOEFLTEM4TEM8化学

Collins.2 / BNC.4252 / COCA.5566

牛津词典

noun

• 电子
  a very small piece of matter (= a substance) with a negative electric charge, found in all atoms

柯林斯词典

• 电子
  Anelectronis a tiny particle of matter that is smaller than an atom and has a negative electrical charge.

英英释义

noun

• an elementary particle with negative charge
  Synonym:negatron

双语例句

• So, if you start with sodium vapor and chlorine gas, electron transfer will occur.
  所以，如果从以钠蒸汽和氯气开始，电子传递就会发生了。
• We have a helium nucleus and one electron.
  我们有一个氦核和一个电子。
• The influence of the beam voltage and magnet field on electron beam performance was studied.
  并对电子注在不同工作电压和磁场下的质量进行了分析计算。
• An electron moving in an excited orbit'stays there only for a very short time.
  电子在激发态轨道上只能逗留很短的时间。
• 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。
• The effect of atomic size factors and electron factors on the formation of quasicrystalline was studied.
  研究了原子尺寸因数和电子因素对准晶形成的影响。
• In this model the arrangement of bonds around the central atom is considered to depend upon how many valence-shell electron pairs.
  在这个模型中，认为围绕中心原子的化学键的排列取决于价层中电子对的数量。
• An electron has a negative charge, a proton has a positive charge.
  电子带负电荷，质子带正电荷。
• High resolution transmission electron microscopy and selected area electron diffraction were used to characterize the products.
  利用高分辨透射电镜和电子衍射仪器对合成的纳米颗粒的结构进行了表征。
• The distribution and fine structure of lymphatic vessels in goat cardiac ventricles were examined by light and electron microscopy.
  用光镜和透射电镜对山羊心室淋巴管的分布和微细结构进行了研究。