acetaldehyde

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数据源: ai_enrichment
乙醛是一种无色、易挥发的有机化合物,化学式为CH₃CHO,常用于化工生产和医学领域。

用法要点

句型搭配

acetaldehyde通常作为名词使用,在句子中作主语或宾语,常见于描述化学性质或医学效应的陈述句。

• Acetaldehyde is a key intermediate in metabolism.
• The study focused on acetaldehyde levels in the blood.

介词用法

acetaldehyde常与介词如in、of、from等搭配,表示在某种环境中的存在、来源或组成关系。

• acetaldehyde in alcoholic beverages
• production of acetaldehyde from ethanol

语域说明

acetaldehyde主要用于学术、科学和医学语域,在专业文献和报告中常见,日常对话中较少使用。

• acetaldehyde exposure in industrial settings
• acetaldehyde as a carcinogen in research papers

基础例句

Acetaldehyde is what gives some alcoholic drinks a sharp smell.

乙醛让一些酒精饮料带有刺鼻的气味。

When you drink alcohol, your liver breaks it down into acetaldehyde first.

当你喝酒时,你的肝脏会先把酒精分解成乙醛。

High levels of acetaldehyde can cause headaches and nausea.

高浓度的乙醛可能导致头痛和恶心。

高级例句

The research indicates that acetaldehyde accumulation may contribute to alcohol-related liver damage.

研究表明,乙醛的积累可能加剧酒精相关的肝损伤。

In industrial processes, acetaldehyde is synthesized from ethylene via the Wacker process.

在工业生产中,乙醛通过瓦克法从乙烯合成。

Regulatory agencies monitor acetaldehyde emissions due to its potential carcinogenic effects.

监管机构监测乙醛排放,因为它具有潜在的致癌效应。

高频搭配

verb

produce acetaldehydeoxidize to acetaldehydeconvert acetaldehydemeasure acetaldehydereduce acetaldehyde

adjective

volatile acetaldehydetoxic acetaldehydeendogenous acetaldehydeexogenous acetaldehydehigh acetaldehyde

noun

acetaldehyde concentrationacetaldehyde dehydrogenaseacetaldehyde exposureacetaldehyde metabolismacetaldehyde level

adverb

rapidly acetaldehydedirectly acetaldehydeprimarily acetaldehyde

preposition

acetaldehyde in alcoholacetaldehyde from ethanolacetaldehyde of metabolism

phrase

acetaldehyde in the bodyacetaldehyde as a metaboliteacetaldehyde and cancer risk

常见错误

❌ 错误:Acetaldehyde is a type of alcohol.
✓ 正确:Acetaldehyde is a metabolite of alcohol.

错误地将乙醛归类为酒精;乙醛是酒精代谢的中间产物,不是酒精本身。

❌ 错误:I feel acetaldehyde after drinking.
✓ 正确:I feel the effects of acetaldehyde after drinking.

错误地用人称主语直接感受乙醛;应描述乙醛的影响或效应,因为乙醛是一种化学物质。

近义词辨析

formaldehyde

甲醛是另一种醛类化合物,化学式为HCHO,常用于消毒和防腐,而乙醛(CH₃CHO)更常见于酒精代谢和化工生产。

Formaldehyde is used in embalming, whereas acetaldehyde is a byproduct of alcohol metabolism.

ethanol

乙醇是酒精的主要成分,饮用后会在体内代谢成乙醛;乙醛是乙醇的氧化产物,具有更强的毒性。

Ethanol is consumed in beverages, but acetaldehyde is formed during its breakdown in the liver.