acetaldehyde is used in the manufacture of [product]
常用于有机合成工业。
Acetaldehyde is used in the manufacture of acetic acid.
乙醛用于制造乙酸。
乙醛
一种无色有机化合物,CH3CHO,广泛存在于自然界,并在工业上大规模生产。；[医] 乙醛
a colorless organic compound, CH3CHO, found widely in nature and produced industrially on a large scale
一种无色有机化合物,CH3CHO,广泛存在于自然界,并在工业上大规模生产。
A colourless organic compound, CH3CHO, occurring widely in nature and being produced on a large scale in industry.
The chemist carefully measured the acetaldehyde for the experiment.
化学家仔细测量了实验所需的乙醛。
用法提示：acetaldehyde 作为名词，指一种化学物质，在句子中作宾语。
Acetaldehyde is used in the manufacture of perfumes and drugs.
乙醛用于制造香水和药物。
用法提示：acetaldehyde 作为不可数名词，作主语。
Some fruits naturally contain small amounts of acetaldehyde, which gives them a distinct smell.
有些水果天然含有少量乙醛，这赋予了它们独特的气味。
用法提示：acetaldehyde 作为名词，在从句中作宾语。
常用于有机合成工业。
Acetaldehyde is used in the manufacture of acetic acid.
乙醛用于制造乙酸。
也天然存在于某些植物中。
Acetaldehyde is a key component in perfumes and drugs.
乙醛是香水和药物中的关键成分。
grammar · medium
易错句子The acetaldehyde is a colorless liquid.
正确表达Acetaldehyde is a colorless liquid.
不可数名词前通常不使用定冠词，除非特指。这里泛泛而谈，应去掉"the"。
grammar · medium
易错句子The reaction produces acetaldehydes.
正确表达The reaction produces acetaldehyde.
acetaldehyde 是不可数名词，不应加复数形式。
甲醛和乙醛都是醛类化合物，但甲醛结构更简单（HCHO），常作消毒防腐剂；乙醛（CH3CHO）主要用于合成化学品。两者在中文名称和化学性质上易混淆。
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