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isomer

/ˈaɪ.sə.mə/ /ˈaɪ.sə.mɚ/

Meanings
noun

异构体，同分异构体

Any of two or more compounds with the same molecular formula but with different structure.

Examples :

"Glucose and fructose are isomers; they both have the same chemical formula but different molecular structures. "
葡萄糖和果糖是同分异构体；它们都有相同的化学式，但是分子结构不同。
chemistry compound substance science
noun

同质异能素，同分异构体

Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.

Examples :

"Scientists discovered that although these two cobalt isotopes have the same number of protons and neutrons, one isomer decays much faster than the other. "
科学家们发现，虽然这两种钴同位素拥有相同的质子数和中子数，但其中一种同质异能素的衰变速度比另一种快得多。
physics chemistry biochemistry science

Related Words

Illustration properties

properties noun

/ˈpɹɒpətiz/ /ˈpɹɑpɚtiz/

财产，资产。

"Important types of property include real property (land), personal property (other physical possessions), and intellectual property (rights over artistic creations, inventions, etc.)."

重要的财产类型包括不动产（土地），个人财产（其他实体物品）和知识产权（对艺术创作、发明等的权利）。

Illustration radioactive

radioactive noun

/ˌɹeɪdioʊˈaktɪv/ /ˌɹeɪdioʊˈæktɪv/

放射性物质，放射物

"The radioactive was carefully stored in a lead-lined container at the science lab. "

科学实验室里，那些放射性物质被小心地储存在一个铅衬容器中。

Illustration different

different noun

/ˈdɪf.(ə)ɹ.ənt/

差别，差异。

"My family has a different ideal for my future than I do. "

对于我的未来，我的家人和我的理想存在差别。

Illustration although

although conjunction

/ɔːlˈðəʊ/ /ɑlˈðoʊ/

虽然，尽管。

"Although it was very muddy, the football game went on."

虽然地上很泥泞，足球比赛还是照常进行了。

Illustration scientists

scientists noun

/ˈsaɪəntɪsts/

科学家，科研人员。

"Scientists study plants to understand how they grow. "

科学家研究植物，从而了解它们的生长方式。

Illustration structure

structure noun

/ˈstɹʌktʃə(ɹ)/ /ˈstɹʌktʃɚ/

结构，构造。

"The birds had built an amazing structure out of sticks and various discarded items."

鸟儿们用树枝和各种废弃物搭建了一个令人惊叹的构造。

Illustration molecular

molecular noun

/məˈlɛkjʊlə/ /məˈlɛkjələɹ/

分子，分子量化合物

"The scientist analyzed the molecular weight of the new protein sample. "

科学家分析了这种新型蛋白质样品的分子量化合物。

Illustration structures

structures noun

/ˈstrʌktʃərz/

结构，构造，体系

"The birds had built an amazing structure out of sticks and various discarded items."

鸟儿们用树枝和各种废弃物搭建了一个令人惊叹的结构精巧的鸟巢。

Illustration chemical

chemical noun

/ˈkɛmɪkəl/

化学物质，化学品

"The scientist studied the chemical composition of the soil sample. "

这位科学家研究了土壤样本的化学物质组成。

Illustration discovered

discovered verb

/dɪsˈkʌvəd/ /dɪsˈkʌvɚd/

发现，发觉

"Turning the corner, I discovered a lovely little shop. I discovered that they sold widgets."

转过街角，我发现了一家可爱的小店。我发觉他们卖小玩意儿。

Illustration compounds

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

营地， 场地。

""During the war, the refugees lived in guarded compounds for their safety." "

战争期间，难民们为了安全起见，居住在有警卫的营地里。

Illustration fructose

fructose noun

/ˈfɹʊk.təʊz/ /ˈfɹuk.toʊs/

果糖

"Many fruits, like apples and pears, contain a lot of fructose, which is why they taste so sweet. "

很多水果，比如苹果和梨，含有大量的果糖， 这也是它们尝起来很甜的原因。