时间: 2025-04-24 17:11:31
美: [,flɔ'rɛsnt]
英: [flʊə'res(ə)nt; flɔː-]
adj. 荧光的;萤光的;发亮的
n. 荧光;日光灯
最后更新时间:2025-04-24 17:11:31
词源分析:该单词由“fluor”(来自拉丁语“fluere”,意为“流动”)和后缀“-escent”(表示“成为”或“处于某种状态”)组成。因此,字面意思可以理解为“变得流动的”或“发光的”。
历史背景:该词首次出现在19世纪,用于描述某些矿物质(如萤石)在紫外线照射下的发光特性。
课本:该单词可能出现在**的中学科学教材、物理教材中,尤其是在讨论光学和电磁辐射时。美国的牛津和高中生物、物理教材也可能会使用这个词。
正式与非正式语境:
特殊场合:
The fluorescent light bulbs are more energy-efficient than traditional incandescent bulbs.
荧光灯泡比传统的白炽灯泡更节能。
Many animals, such as certain species of jellyfish, have fluorescent properties.
许多动物,例如某些水母,具有荧光特性。
The fluorescent markers make it easy to highlight important information.
荧光记号笔使得突出重要信息变得简单。
Scientists are studying fluorescent proteins to better understand cellular processes.
科学家们正在研究荧光蛋白,以更好地理解细胞过程。
The fluorescent colors in the painting seem to glow under UV light.
这幅画中的荧光颜色在紫外线下似乎发光。
同义词:
反义词:
通过这些分析与例句的学*,可以帮助更好地理解“fluorescent”这个词的用法及其在不同语境中的应用。
[ADJ] A fluorescent surface, substance, or colour has a very bright appearance when light is directed onto it, as if it is actually shining itself. 荧光的
例:...a piece of fluorescent tape.…一段荧光带。
[ADJ] A fluorescent light shines with a very hard, bright light and is usually in the form of a long strip. 发荧光的
例:Fluorescent lights flickered, and then the room was brilliantly, blindingly bright.荧光灯闪烁了几下,然后房间就亮得刺眼。