aldehyde

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数据源: ai_enrichment
醛是一种有机化合物,含有羰基与氢原子相连的官能团,常见于化学和生物领域。

用法要点

句型搭配

醛通常作为名词使用,在句子中作主语或宾语,描述化学物质或反应过程。

• The aldehyde group is reactive.
• Aldehydes are used in perfumes.
• Formaldehyde is a simple aldehyde.

介词用法

醛常与介词如 'in'、'of'、'with' 搭配,表示在某种物质中、属于某种类型或与某物反应。

• Aldehyde in organic chemistry
• Oxidation of aldehydes
• Reaction with aldehydes

语域说明

醛主要用于学术、科学和技术语境,如化学、生物学和工业领域,日常对话中较少使用。

• Aldehyde synthesis in labs
• Aldehyde levels in food
• Industrial aldehyde production

基础例句

This perfume contains a floral aldehyde that gives it a fresh scent.

这款香水含有一种花香醛,赋予它清新的气味。

Aldehydes can be found in some fruits, like apples and bananas.

醛类物质存在于一些水果中,比如苹果和香蕉。

The lab test showed high levels of aldehyde in the water sample.

实验室测试显示水样中醛的含量很高。

Avoid using products with aldehydes if you have sensitive skin.

如果你皮肤敏感,避免使用含有醛类物质的产品。

高级例句

The oxidation of primary alcohols yields aldehydes, which are key intermediates in organic synthesis.

伯醇的氧化产生醛,这是有机合成中的关键中间体。

Aldehyde dehydrogenase enzymes play a crucial role in metabolizing alcohol in the human body.

醛脱氢酶在人体代谢酒精过程中起着至关重要的作用。

In the pharmaceutical industry, aldehydes are used to produce various drugs and antibiotics.

在制药工业中,醛类被用于生产各种药物和抗生素。

The research paper discusses the catalytic reduction of aldehydes to alcohols using novel metal complexes.

这篇研究论文讨论了使用新型金属配合物催化还原醛为醇的方法。

高频搭配

verb

oxidize aldehydesreduce aldehydesform aldehydesdetect aldehydessynthesize aldehydes

adjective

volatile aldehydesimple aldehydearomatic aldehydetoxic aldehydereactive aldehyde

noun

aldehyde groupaldehyde compoundaldehyde derivativealdehyde contentaldehyde reaction

adverb

highly aldehyderapidly aldehydecommonly aldehyde

preposition

aldehyde in solutionaldehyde of alcoholaldehyde with amine

phrase

aldehyde functional groupaldehyde-based perfumealdehyde-free product

常见错误

❌ 错误:Aldehyde is a kind of alcohol.
✓ 正确:Aldehyde is a type of organic compound, not an alcohol.

醛和醇是不同的有机化合物类别,醛含有羰基,而醇含有羟基,中文学习者可能混淆化学术语。

❌ 错误:I smell aldehyde in the air.
✓ 正确:I smell an aldehyde compound in the air.

醛通常指一类化合物,在具体语境中应使用 'an aldehyde' 或指定类型,如 'formaldehyde',以避免泛指错误。

近义词辨析

ketone

酮是另一种含有羰基的有机化合物,但羰基连接两个碳原子,而醛连接一个碳原子和一个氢原子,化学性质略有不同。

Aldehydes are more reactive than ketones in nucleophilic addition reactions.

formaldehyde

甲醛是醛的一种具体类型,是最简单的醛,常用于消毒和防腐,而 'aldehyde' 是泛指醛类化合物的总称。

Formaldehyde is a common aldehyde used in laboratories, but not all aldehydes are as toxic.