fluorescein

fluorescein的音标为[fluˈresɪsɪn]，基本翻译为“荧光素”。速记技巧为：可以将其拆分为flu（流明）+ores（绿色）+cin（染料）记忆。

Fluorescein的英文词源可以追溯到拉丁语中的“fluere”（流动）和“lucere”（发光）。它的主要含义是荧光物质，可以发出可见光。

变化形式：名词fluorescein（荧光素），形容词fluorescent（荧光的）。

相关单词：

1. fluorescene（荧光化合物）：一种化学物质，具有荧光特性，常用于生物化学和医学研究。

2. fluorescence（荧光）：指物质在特定条件下发出可见光的现象。

3. autofluorescence（自发光）：指生物组织在没有外部光源照射下产生的荧光。

4. photo fluorescence（光致发光）：指物质在光的作用下产生的荧光。

5. fluorescence microscopy（荧光显微镜）：一种用于观察和分析生物样品荧光的显微镜技术。

6. fluorescence spectroscopy（荧光光谱学）：一种分析物质荧光特性的光谱学方法。

7. fluorescence quenching（荧光淬熄）：指物质荧光强度减弱的现象。

8. fluorescence lifetime（荧光寿命）：指物质发出荧光所需的时间。

9. fluorescence sensor（荧光传感器）：一种用于检测物质荧光特性的传感器。

10. fluorescence imaging（荧光成像）：一种将荧光信号转化为图像的技术，常用于医学成像和生物样本分析。

常用短语：

1. fluorescein solution

2. fluorescein test

3. fluorescence microscopy

4. autofluorescence

5. bioluminescence and fluorescence

6. fluorescence imaging

7. fluorescence spectroscopy

双语例句：

1. I added a drop of fluorescein solution to my eye. （我向我的眼睛滴了一滴荧光素液。）

2. The doctor used fluorescence microscopy to identify the presence of cancer cells. （医生使用荧光显微镜来识别癌细胞的的存在。）

3. The bioluminescence and fluorescence of marine creatures is fascinating. （海洋生物的生物发光和荧光非常迷人。）

4. The fluorescence of the plant leaves in the dark room was clearly visible under the microscope. （在显微镜下，暗室中植物叶子的荧光清晰可见。）

5. The fluorescence spectroscopy data will help us to understand the composition of the atmosphere better. （荧光光谱数据将帮助我们更好地了解大气的组成。）

6. The scientist used fluorescence to identify the presence of a particular chemical in the sample. （科学家利用荧光来识别样品中特定化学物质的的存在。）

7. The doctor asked me to wear a special contact lens that would emit a green light to observe my eye"s autofluorescence. （医生让我戴上一副特殊的接触镜，它会发出绿色光线来观察我的眼睛的自荧光。）

英文小作文：

Fluorescein is a type of chemical that can be used in many different ways. It can be used in medicine, science, and technology to help us understand and identify different substances and processes. One of the most common uses of fluorescein is in medical diagnosis, where doctors use it to identify the presence of certain diseases or conditions in patients" bodies.

For example, doctors may use fluorescein solution to examine patients" eyes for diseases such as cataracts or glaucoma. They can also use fluorescence microscopy to examine tissues and cells for abnormalities or diseases that cannot be seen with the naked eye. In addition, scientists use fluorescence to study the behavior of substances in living organisms and to identify the presence of certain chemicals or toxins in the environment or in food.

Fluorescein is also used in research and development, where it can be used to label or mark substances for study or experimentation purposes. It can also be used in manufacturing processes to identify defects or abnormalities in products or materials. In short, fluorescein is a versatile chemical that can be used in many different ways to help us understand and improve our world.