荧光

• ピンイン: yíng guāng
• 漢字の分解: 荧 = 艹 + 火 + 火 (grass/flame radical doubled — depicts small shimmering flames); 光 = 火 + 儿 (fire over person — light)

意味

蛍光（荧光）

Appears in scientific contexts (荧光显微镜 — fluorescence microscope, 荧光标记 — fluorescent labelling) and everyday contexts (荧光笔 — highlighter pen, 荧光背心 — high-visibility vest). Also used figuratively to describe something glowing softly or luminously.

例文

1. 科研团队开发出一种会与病灶蛋白斑块结合并发出稳定荧光的新型分子探针，可在症状出现前多年识别脑部病变。
2. 消防员夜间搜救时穿着带高反光荧光条纹的作训服，在低能见度火场中也能被快速定位，降低协同作战风险。
3. 这款荧光纳米探针灵敏度高、相容性好，在单细胞层面追踪基因变化时，比传统染料更稳定。

使い方ガイド

場面: science, medicine, safety, technology

トーン: neutral

正しい言い方

• 该实验室率先把量子点荧光标记系统用于肿瘤免疫研究，同时追踪多种免疫细胞，帮助揭示免疫逃逸机制。(This laboratory was the first to use a quantum-dot fluorescent labelling system in tumour immunology research, tracking multiple immune cells at the same time to help reveal immune evasion mechanisms.)
• 城市夜间施工要求工人穿荧光反光背心，并在边界摆放荧光警示锥桶，方便车辆及时识别并减速。(Urban night construction requires workers to wear fluorescent reflective vests and place fluorescent warning cones at the boundaries, so vehicles can recognize the work zone in time and slow down.)

避ける言い方

• 她的笑容发出荧光 — 荧光 in figurative use sounds jarring and awkward in most contexts; for a radiant or glowing smile use 她的笑容熠熠生辉 or 她脸上散发出动人的光彩

起源と歴史

荧 (glowing, shimmering — 艹 grass/fire radical + 荧 phonetic, originally meaning a small flickering flame or glow) + 光 (light — 火 fire + 儿 person, fire above a person symbolising light)

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal