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单词 负电的
例句 DEFINITIVE EXAMPLES 权威例句〔negative〕Relating to or designating an electric charge of the same sign as that of an electron, indicated by the symbol (-).负电的,阴电的:关于或标明电的负荷和电子具有相同的符号,用符号(-)来表示的美国传统〔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
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