| 单词 | 能级 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔band〕A range of very closely spaced electron energy levels in solids, the distribution and nature of which determine the electrical properties of a material.能带：固体中间隔很近的电子能级范围，其分布和特点决定该材料的性质美国传统〔energy level〕The energy characteristic of a stationary state of a physical system, especially a quantum mechanical system.能级：具有一个物理系统尤指一个量子机械系统的稳定状态特性的能量美国传统〔excite〕To raise (an atom, for example) to a higher energy level.激发：将（原子核）提高到更高的一个能级美国传统〔pulsation〕The energy level within an organ is determined by the vigour and regularity of its pulsations.器官的能级是由其搏动的力量和规律所决定的。外研社新世纪〔pump〕Physics Electromagnetic radiation used to raise atoms or molecules to a higher energy level.【物理学】 电磁辐射能：用来将原子或分子提升到较高能级的电磁辐射美国传统〔singlet〕Physics A multiplet with a single member.【物理学】 单（谱）线，零自旋（核）能级：只有一个粒子的多重态美国传统 |
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