| 单词 | protons |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔alpha particle〕A positively charged particle, indistinguishable from a helium atom nucleus and consisting of two protons and two neutrons.α粒子：与氦原子核难以区分的带正电的粒子，包括两个质子和两个中子美国传统〔atomic number〕The number of protons in an atomic nucleus.原子序数：原子核中所含的质子数目美国传统〔heavy〕Protons are nearly 2,000 times as heavy as electrons.质子的质量几乎是电子的2,000倍。外研社新世纪〔heavy〕Protons are nearly 2000 times as heavy as electrons.质子的质量几乎是电子的2,000倍。柯林斯高阶〔isotone〕One of two or more atoms whose nuclei have the same number of neutrons but different numbers of protons.同中子异荷素；等中子异位素：两个或更多其原子核含有相同数量的中子却含不同数量质子的原子中的任一个美国传统〔neutral〕Atoms consist of positively-charged protons, negatively-charged electrons and neutral particles called neutrons.原子由带正电的质子、带负电的电子和称为中子的不带电粒子组成。剑桥高阶〔neutron〕Each atomic cluster is made up of neutrons and protons.原子簇是由中子和质子构成的。柯林斯高阶〔neutron〕Each atomic cluster is made up of neutrons and protons.各种原子团都由中子和质子构成。外研社新世纪〔nucleus〕Neutrons and protons are bound together in the nucleus of an atom.中子和质子在原子核内结合在一起。外研社新世纪〔nucleus〕Neutrons and protons are bound together in the nucleus of an atom.在原子核里，中子和质子是结合在一起的。柯林斯高阶〔nucleus〕Physics The positively charged central region of an atom, composed of protons and neutrons and containing almost all of the mass of the atom.【物理学】 原子核：原子的正极中心部分，由质子和中子构成，几乎集中了原子的全部质量美国传统〔proton synchrotron〕A ring-shaped synchrotron that accelerates protons to energies of several billion electron volts.质子同步加速器：一个环形加速器，可使质子的能量增加到几十亿电子伏美国传统〔quark〕Atoms are made up of smaller particles - protons, neutrons and electrons - some of which are made up of even smaller ones, called quarks.原子是由更小的粒子，即质子、中子和电子组成的，其中有些是由更小的叫做夸克的粒子构成的。剑桥高阶〔shell〕An analogous pattern of protons and neutrons within a nucleus.原子核内的质子与中子的模拟形式美国传统〔whole〕An atom itself is a complete whole, with its electrons, protons and neutrons and other elements.一个原子本身就是一个完整的整体，包括电子、质子、中子及其他元素。柯林斯高阶Atoms consist of positively-charged protons, negatively-charged electrons and neutral particles called neutrons.原子由带正电荷的质子、带负电荷的电子和称为中子的不带电微粒构成。剑桥国际Inside the atom there is a nucleus composed of neutrons and protons. The nucleus is crucial to the making of nuclear weapons. 一个原子里面有由中子和质子组成的核，对制造核武器很重要。译典通The nucleus of an atom consists of neutrons and protons.原子核由中子和质子构成。剑桥国际 |
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