laser
UK
US
Paraphrase
分析词义
"Laser" 是一种能发出高度集中,单色并且相干的光的设备,它的全名是“Light Amplification by Stimulated Emission of Radiation”,即“通过受激发射来放大光的辐射”。
列举例句
词根分析
由于 Laser 是一种科技术语,它并没有词根。
词缀分析
"laser" 没有词缀。
发展历史和文化背景
"Laser" 一词源于上述的缩写。它是1957年由美国科学家Gordon Gould首次提出,并用于他的研究笔记,后来被公认为激光技术的基础。
单词变形
"Laser" 作为名词,其复数形式为"lasers"。而作为动词,如"laser off"(用激光去除),其过去式和过去分词为"lasered off"。
记忆辅助
可以通过其英文全称 "Light Amplification by Stimulated Emission of Radiation" 的首字母来记忆 "laser" 这个单词。
小故事
Jake, a scientist, was working late in the lab, perfecting a new kind of laser. Once operational, it would revolutionize many aspects of our lives. But for now, it was just a prototype, emitting a red light in the dark lab.(杰克,一个科学家,在实验室里熬夜工作,完善一种新型的激光。一旦运行起来,它将改变我们生活的许多方面。但现在,它还只是一个原型,在黑暗的实验室里发出红色的光束。)
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