porphyrin

/ˈpɔːfɪɹɪn/ /ˈpɔɹfəɹɪn/

Meanings

noun

卟啉

Any of a class of heterocyclic compounds containing pyrrole rings arranged in a square or other similar shape; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.).

Examples :

"Hemoglobin, the molecule that carries oxygen in our blood, contains a porphyrin ring with an iron atom at its center. "

血红蛋白，这种在我们血液中负责输送氧气的分子，含有一个卟啉环，其中心有一个铁原子。

Related Words

important adjective

/ɪmˈpɔːtənt/ /ɪmˈpɔɹtənt/

重要，关键，至关重要。

"It is very important to give your daughter independence in her life so she learns from experience."

给予女儿生活上的独立性，让她从经验中学习，这一点至关重要。

chlorophyll noun

/ˈklɒɹ.ə.fɪl/ /ˈklɔɹ.ə.fɪl/

叶绿素

"The green color of leaves comes from chlorophyll, which helps plants make their own food using sunlight. "

树叶的绿色来自于叶绿素，叶绿素帮助植物利用阳光制造自己的食物。

containing verb

/kənˈteɪnɪŋ/

包含，容纳。

"The box containing my old toys was stored in the attic. "

装有我旧玩具的箱子被储存在阁楼里。

heterocyclic noun

/ˌhɛtəroʊˈsaɪklɪk/ /ˌhɛtərəˈsaɪklɪk/

杂环，杂环化合物

"The pharmaceutical company is researching a new drug that contains a specific heterocycle known for its potential anti-inflammatory properties. "

这家制药公司正在研发一种新药，其中含有一种特定的杂环化合物，这种化合物因其潜在的抗炎特性而闻名。

magnesium noun

/ˌmæɡˈniːzi.əm/ /ˌmæɡˈnizi.əm/

镁

"The scientist used magnesium for the demonstration in the science lab. "

科学家在科学实验室的演示实验中使用了镁这种元素。

contains verb

/kənˈteɪnz/

包含，包括，含有

"The box contains my old toys. "

这个盒子里装着我以前的玩具。

biochemistry noun

/ˌbaɪoʊˈkɛmɪstri/ /ˌbaɪəˈkɛmɪstri/

生物化学

"My biology class is studying biochemistry to understand how the food I eat is broken down in my body. "

我的生物课正在学习生物化学，目的是了解我吃的食物如何在体内分解。

pyrrole noun

/ˈpɪɹəʊl/

吡咯，氮杂茂。

"A chemist explained that pyrrole is a key building block for many important biological molecules like heme, which is found in blood. "

一位化学家解释说，吡咯是许多重要的生物分子（比如血液中的血红素）的关键组成部分。

arranged verb

/əˈɹeɪndʒd/

安排，整理，布置

"She arranged the books on the shelf by color. "

她把书架上的书按颜色整理了一下。

hemoglobin noun

/ˈhiːməˌɡloʊbɪn/ /ˈhɛməˌɡloʊbɪn/

血红蛋白

"My grandpa, who has low hemoglobin, needs to eat more iron-rich foods to improve his oxygen levels. "

我爷爷血红蛋白偏低，需要多吃富含铁的食物来提高血氧含量。

molecule noun

/ˈmɒləkjuːl/ /ˈmɑləkjul/

分子

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

氯化氢是一种双原子分子，它由一个氢原子和一个氯原子构成。

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。