ethanal is used in [noun phrase]
Ethanal is used in the manufacture of acetic acid.
乙醛用于制造乙酸。
乙醛
一种无色挥发性可溶于水的液体醛,主要用于制造醋酸、香水和药物
acetaldehyde; a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid, perfumes, and drugs
乙醛。
acetaldehyde
一种无色挥发性可溶于水的液体醛,主要用于制造醋酸、香水和药物
a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs
The chemist synthesized ethanal in the lab.
化学家在实验室中合成了乙醛。
用法提示：“ethanal”作宾语，表示一种无色易挥发的液体醛。
Ethanal is a key intermediate in the production of acetic acid.
乙醛是生产乙酸的关键中间体。
用法提示：“ethanal”作主语，指代该化学物质。
When exposed to air, ethanal can oxidize to form acetic acid.
当暴露在空气中时，乙醛可氧化形成乙酸。
用法提示：“ethanal”作主语，描述其化学性质。
Ethanal is used in the manufacture of acetic acid.
乙醛用于制造乙酸。
Ethanal is a colorless volatile aldehyde.
乙醛是一种无色易挥发的醛。
与 ethanal 完全同义，acetaldehyde 是常用名，ethanal 是系统命名法名称。
grammar · medium
易错句子Ethanol is used in the production of acetic acid.
正确表达Ethanal is used in the production of acetic acid.
混淆了'ethanal'（乙醛）和'ethanol'（乙醇），两者拼写相近但化学性质不同；应使用'ethanal'表示乙醛。
grammar · medium
易错句子There are several ethanals in the mixture.
正确表达There is some ethanal in the mixture.
将不可数名词'ethanal'误当作可数名词使用了复数形式；'ethanal'作为化学物质不可数，应使用单数形式并搭配适当的量词（如'some'）。
乙醛是醛类，乙醇是醇类；乙醇常被用作燃料或酒精饮料，乙醛是化学中间体。
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