| 单词 | 辐射性 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔excite〕When energetic particles or quanta of radiation pass through a crystal, they excite a few of its atoms into a higher energy state.辐射性的高能粒子或量子穿过晶体时, 会把晶体的一些原子激发成更高的能态。外研社新世纪〔glow〕This substance is so radioactive that it glows in the dark.这种物质辐射性很强，在黑暗中都可以发出亮光。剑桥高阶〔hot spot〕An area of intense heat, radiation, or activity.热点：具有强烈热量、辐射性或放射性的地区美国传统〔pencil〕Physics A beam of radiant energy in the form of a narrow cone or cylinder.【物理学】 光线锥：窄圆锥体或圆柱形的辐射性光束美国传统〔safely〕The waste is safely locked away until it is no longer radioactive.废料被安全储存起来，直到其不再有辐射性。柯林斯高阶 |
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