noun 下载 🔗分享 闪烁体，发光体 Any substance that glows under the action of photons or other high-energy particles Examples : "The detector uses scintillators that glow when exposed to X-rays, allowing doctors to see broken bones on a screen. " 探测器使用闪烁体（发光体），当它们暴露在X射线下时会发光，从而让医生能够在屏幕上看到骨折的部位。 material substance physics chemistry energy science 与AI对话词汇游戏阅读练习
