网站首页  汉语字词  英语词汇  范文大全  符号大全

请输入您要查询的英语词汇:

 

单词 neutron
释义 neu·tron AHD[no͞o′trŏn', nyo͞o′-] D.J.[ˈnuːˌtrɒn, ˈnjuː-]K.K.[ˈnuˌtrɑn, ˈnju-]n.(名词)abbr. n【缩写】
  1. An electrically neutral subatomic particle in the baryon family, having a mass 1,839 times that of the electron, stable when bound in an atomic nucleus, and having a mean lifetime of approximately 1.0×103 seconds as a free particle. It and the proton form nearly the entire mass of atomic nuclei. See table at subatomic particle 中子:重子家族中电中性的亚原子粒子,是电子体积的1,839倍,作为自由粒子撞击原子核时保持稳定,平均寿命大约 1.0×103。它和质子几乎构成了整个原子核的质量 参见 subatomic particle
Etymology语源
    1. neutr(al) neutr(al)
    1. -on 1-on1
随便看

 

学习网英语词汇栏目收词371507余条,连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同(近)义词等多项功能,对所收词汇进行全方位的解释和说明,内容丰富,功能全面。

 

Copyright © 2000-2024 xuexi.run All Rights Reserved
更新时间:2025/4/19 12:31:39