fluoresce的音标为:[fluəˈresɪs],翻译为“发荧光”或“发出荧光”。
速记技巧:fluoresce由词根“flu”和词缀“-oresc”组成,“flu”表示“流动”,“-oresc”是一个常见的后缀,表示“发光”的意思。因此,fluoresce意为“发荧光”。
Fluoresce这个词的词源可以追溯到拉丁语和希腊语,具体来说,它是由fluere(闪烁)和orescere(发光)组成的合成词。这个词的意思是“发荧光”。
变化形式:在英语中,fluoresce是动词fluoresce的过去分词和过去式,用于表示过去完成时的状态。
相关单词:
1. fluorescence - 荧光,是由fluoresce派生出来的名词,指发光现象。
2.bioluminescence - 生物发光,是指某些生物发光的特性。
3.excitation - 激发,是指使某物从常态变为活跃状态的过程,与fluoresce有相似的含义。
4.phosphorescence - 磷光,是指物质在停止发光后仍能持续一段时间的光。
5.radioluminescence - 放射性发光,是指由放射性元素产生的发光现象。
6.chemiluminescence - 化学发光,是指化学反应中产生的发光现象。
7.photoluminescence - 光致发光,是指物质在受到光照射时产生的发光现象。
8.ultraviolet fluorescence - 紫外线荧光,是指受到紫外线照射时产生的荧光现象。
9.infra-red fluorescence - 红外线荧光,是指受到红外线照射时产生的荧光现象。
10.dark luminescence - 暗处发光,是指在没有光线的情况下仍然可以发光的特性。
以上这些单词都与fluoresce这个词有直接或间接的联系,反映了英语中丰富的词汇和词源。
常用短语:
1. fluoresce in
2. fluorescence microscopy
3. fluorescence labeling
4. fluorescence resonance energy transfer (FRET)
5. fluorescence imaging
6. fluorescence spectroscopy
7. autofluorescence
双语例句:
1. When excited by light, the sample fluoresces in green. (被光激发时,样品发出绿色荧光。)
2. Fluorescence microscopy is used to observe cells in detail. (荧光显微镜用于观察细胞的详细情况。)
3. The protein was labeled with a fluorescent dye to allow visualization under fluorescence microscopy. (该蛋白质被荧光染料标记,以便在荧光显微镜下观察。)
4. Fluorescence resonance energy transfer (FRET) is a technique used to study protein-protein interactions. (荧光共振能量转移是一种用于研究蛋白质相互作用的技术。)
5. The autofluorescence of the tissue indicates the presence of certain chemicals or diseases. (组织的自荧光表明存在某些化学物质或疾病。)
6. The fluorescence of the flowers at night is beautiful. (夜晚花朵的荧光非常美丽。)
7. The fluorescence of the ocean floor is a unique and beautiful phenomenon. (海底的荧光是一种独特而美丽的现象。)
英文小作文:
Fluorescent Life
Life is full of surprises, and one of the most captivating surprises is the phenomenon of fluorescence. From the flowers that glow at night to the ocean floor that lights up under certain conditions, fluorescence is a beautiful and unique phenomenon that we can observe in our world.
When a substance is exposed to certain wavelengths of light, it can absorb that energy and emit it as light of a different color, known as fluorescence. This phenomenon is seen in various living things, from bacteria to plants, and it can be used to study their behavior and interactions.
Under a fluorescence microscope, we can observe cells and tissues that fluoresce in different colors, giving us a deeper understanding of their structure and function. Similarly, fluorescence can also be used in medical imaging to detect diseases and abnormalities in the body.
Fluorescence is a reminder that life is full of wonders, and that we are constantly surrounded by beauty and mystery that awaits our discovery. It is this fascination with life"s secrets that drives us to explore and learn more about our world and the creatures that inhabit it.