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carboxyl

/kɑːrˈbɒksɪl/ /kɑːrˈbɑːksɪl/

Meanings
noun

羧基

A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.

Examples :

"The presence of a carboxyl group distinguishes carboxylic acids, like citric acid in lemons, from other types of organic molecules. "
羧基的存在使得像柠檬酸这种羧酸，与其他类型的有机分子区分开来。
chemistry biochemistry compound substance

Related Words

Illustration citric

citric adjective

/ˈsɪtɹɪk/

柠檬的，柑橘的

"The cleaning spray had a strong, citric scent, like fresh lemons. "

这款清洁喷雾有很浓的柠檬香味，闻起来就像新鲜柠檬一样。

Illustration organic

organic noun

/ɔːˈɡænɪk/ /ɔɹˈɡænɪk/

有机化合物

"The chemist studied the properties of the organic compound. "

这位化学家研究了这种有机化合物的性质。

Illustration presence

presence noun

/ˈpɹɛzəns/

存在，在场，出席

"Any painter can benefit from the presence of a live model from which to draw."

任何画家都能从有真人模特在场供其写生中获益。

Illustration carbonyl

carbonyl noun

/ˈkɑːrbənɪl/ /ˈkɑːrbənaɪl/

羰基， 酰基。

"The carbonyl group is the reactive part of many important molecules, including sugars and fats. "

羰基是许多重要分子中具有反应活性的部分，包括糖类和脂肪。

Illustration consisting

consisting verb

/kənˈsɪstɪŋ/

包括，组成。

"The project consists of three main parts. "

这个项目包括三个主要部分。

Illustration lemons

lemons noun

/ˈlɛmənz/

柠檬, 黄柠檬

"My mom squeezed lemons to make lemonade for our picnic. "

为了我们的野餐，我妈妈挤了些柠檬来做柠檬水。

Illustration distinguishes

distinguishes verb

/dɪˈstɪŋɡwɪʃɪz/ /dɪˈstɪŋɡwɪʃəs/

区分，辨别

"Her bright red hair distinguishes her from the other students. "

她一头鲜艳的红发让她在学生中显得与众不同。

Illustration characteristic

characteristic noun

/ˌkæɹəktəˈɹɪstɪk/ /ˌkɛɹəktəˈɹɪstɪk/

特点，特征。

"The characteristic smell of freshly baked bread always reminds me of my grandmother's kitchen. "

新鲜出炉的面包那种独特的香味总是让我想起我奶奶的厨房。

Illustration molecules

molecules noun

/ˈmɑːlɪkjuːlz/ /ˈmɒlɪkjuːlz/

分子

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

氯化氢是双原子分子，它由一个氢原子和一个氯原子构成。

Illustration hydroxyl

hydroxyl noun

/haɪˈdrɑːksɪl/ /haɪˈdrɒksɪl/

羟基，氢氧基

"The scientist added a hydroxyl group to the molecule to make it a type of alcohol. "

科学家给分子添加了一个羟基，使它变成了一种醇类物质。

Illustration univalent

univalent noun

/juːˈnɪvələnt/

单价染色体，一价体

"During the cell division process of meiosis, if a pair of chromosomes fails to match up properly, the single, unpaired chromosome is called a univalent. "

在减数分裂的细胞分裂过程中，如果一对染色体没有正确配对，那么这个单个的、未配对的染色体就被称为单价染色体/一价体 (dān jià rǎn sè tǐ / yī jià tǐ)。

Illustration functional

functional noun

/ˈfʌŋk(t)ʃnəl/

泛函

"The functional analysis course focused on definite integrals, a type of mathematical function. "

泛函分析课程着重讲解了定积分，定积分是一种数学上的泛函。