Word · CEFR B2 · Frequency #1597
acid
酸;酸性物质
核心释义
a sour, corrosive substance
- 1.
一种酸性物质。
A sour substance.
- 2.
各种水溶性化合物,味酸,能使石蕊变红,并能与碱反应生成盐
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
- 3.
任何在水中溶解时产生H+离子(质子)的化合物;阿伦尼乌斯酸。
Any compound which yields H+ ions (protons) when dissolved in water; an Arrhenius acid.
- 4.
麦角酸二乙酰胺的街头名称
street name for lysergic acid diethylamide
- 5.
任何容易向碱提供质子的化合物;布朗斯特酸。
Any compound that easily donates protons to a base; a Brønsted acid.
- 6.
任何能接受一对电子形成共价键的化合物;路易斯酸。
Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid.
- 7.
任何腐蚀性物质。
Any corrosive substance.
酸(化学物质);LSD;麦角酸二乙酰胺;一种酸性物质。;各种水溶性化合物,味酸,能使石蕊变红,并能与碱反应生成盐;任何在水中溶解时产生H+离子(质子)的化合物;阿伦尼乌斯酸。
用法In use
The chemist carefully measured the acid before adding it to the solution.
用法提示:acid作为名词,指一种化学物质,在句中作宾语。
Lemon juice contains citric acid, which gives it a sour taste.
用法提示:acid作为名词,表示酸类物质,在从句中作宾语。
Battery acid is highly corrosive and must be handled with care.
用法提示:acid作为名词,意为酸性液体,在句中作主语。
acid + reacts with + [base]
The acid reacted with the base to form a salt.
酸与碱反应生成盐。
acid + turns + [indicator] + [color]
常用于描述酸碱指示剂反应。
相关词与表达Connections
搭配Collocations
- strong acid
- 强酸
- Sulfuric acid is a strong acid that can cause severe burns.硫酸是一种强酸,能造成严重灼伤。
- acid rain
- 酸雨
- Acid rain has damaged forests and lakes in many parts of the world.酸雨已经破坏了世界许多地区的森林和湖泊。
- take acid
- 服用迷幻药(LSD)
- He admitted to taking acid at the party last weekend.他承认上周末在派对上服用了迷幻药。
习语与比喻表达Idioms & figurative uses
- acid test
- 决定性考验The new policy will face its acid test during the next election.
学习提示Learner notes
记忆技巧Memory Tip
想象一杯柠檬汁的酸味,或迷幻剂的俗称。
语境与语域Context & Register
对于化学意义上的“酸”(水溶性化合物),通常用于科学、教育和日常语境,注册为中性。对于俚语“迷幻剂”(LSD),多用于非法药物相关的非正式语境,注册为非正式。
发音与拼写Pronunciation & Spelling
These words share the '-id' spelling ending, but note that their vowel sounds differ; none rhyme with /ˈæsɪd/.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.