| 单词 | neutron |
| 释义 | neutron['nju:trɒn]n. 中子【化】 中子【医】 中子 neutron neu.tron AHD: [n›“tr¼n”, ny›“-] D.J. [6nu87trKn, 6nju8-]K.K. [6nu7tr$n, 6nju-]n.Abbr. n（名词）缩写 nAn 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语源:1. neutr(al) neutr(al)2. -on 1-on1 |
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