Word · Frequency #10997
ethanol
乙醇;酒精
核心释义
the intoxicating alcohol in alcoholic drinks, also used as a solvent, in medicines, and as a fuel additive
- 1.
一种简单的脂肪醇,由乙烷中的一个氢原子被羟基取代而得:CH3-CH2-OH。
A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom with a hydroxyl group: CH3-CH2-OH.
- 2.
特指用作燃料的这种醇。
Specifically, this form of alcohol as a fuel.
一种简单的脂肪醇,由乙烷中的一个氢原子被羟基取代而得:CH3-CH2-OH。;特指用作燃料的这种醇。;乙醇;酒精;[化] 乙醇
用法In use
Many hand sanitizers use ethanol as the main ingredient to kill bacteria.
用法提示:ethanol 为名词,指乙醇,这里作宾语。
The fuel mixture contains ten percent ethanol to reduce emissions.
用法提示:ethanol 为名词,指乙醇,这里作宾语。
Ethanol evaporates quickly, so keep the bottle tightly closed.
用法提示:ethanol 为名词,指乙醇,这里作主语。
ethanol is used as [noun]
Ethanol is used as a solvent in inks and cleaning solutions.
乙醇在墨水和清洁溶液中用作溶剂。
ethanol is the intoxicating agent in [liquid]
ethanol 通常不可数;复数形式 ethanols 仅用于科技文体。
相关词与表达Connections
搭配Collocations
- ethanol fuel
- 乙醇燃料
- The bus runs on ethanol fuel made from corn.这辆公交车以玉米制成的乙醇燃料为动力。
- ethanol production
- 乙醇生产
- The country has increased ethanol production to reduce oil imports.该国增加了乙醇生产以减少石油进口。
- ethanol blend
- 乙醇混合燃料
- E10 is a common ethanol blend in many countries.E10是许多国家常见的乙醇混合燃料。
- anhydrous ethanol
- 无水乙醇
- Anhydrous ethanol is often used as a fuel additive.无水乙醇常被用作燃料添加剂。
- denatured ethanol
学习提示Learner notes
记忆技巧Memory Tip
乙醇就是酒精,'醇'字带'酉'旁,像酒坛子,喝酒后会醉。
语境与语域Context & Register
语域:formal 常见场景:科学论文与实验报告、工业产品说明、医学或监管文件 乙醇为较正式的化学名称,通常用于科学、医学、工业和燃料等专业语境;日常口语中更常说 alcohol。在非正式场合建议改用 alcohol,听起来更自然。
发音与拼写Pronunciation & Spelling
Final vowel sound: ethanol ends with /nəʊl/; bowl /bəʊl/, soul /səʊl/, goal /ɡəʊl/, and role /rəʊl/ have the same /əʊl/ vowel sound. Lookalike warning: methanol and alcohol end in -ol but are pronounced with /ɒl/, not /əʊl/.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.