acidity

英 [əˈsɪdəti]

美 [əˈsɪdəti]

n.  酸味; 酸性

复数：acidities　

TOEFL化学

BNC.13106 / COCA.17453

牛津词典

noun

• 酸味；酸性
  the state of having a sour taste or of containing acid

柯林斯词典

• N-MASS 酸
  Anacidis a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.
  1. ...citric acid...
     柠檬酸
  2. Acids in the stomach destroy the virus.
     胃酸能杀死病毒。
• ADJ-GRADED （物质）含酸的，酸性的
  Anacidsubstance contains acid.
  1. These shrubs must have an acid, lime-free soil.
     这些灌木必须生长在不含石灰的酸性土壤环境。
• ADJ-GRADED （水果或饮料）酸味的，酸的
  Anacidfruit or drink has a sour or sharp taste.
  1. These wines may taste rather hard and somewhat acid.
     这些酒可能喝着比较冲并且有股酸味。
• ADJ-GRADED 尖刻的；刻薄的
  Anacidremark, oracidhumour, is very unkind or critical.
  1. This comedy of contemporary manners is told with compassion and acid humour.
     这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。
• 麦角酰二乙胺
  The drugLSDis sometimes referred to asacid.
• See also:amino acidhydrochloric acidnitric acidnucleic acidsulphuric acid

英英释义

noun

• the property of being acidic
  Synonym:sournesssour
• pH values below 7
• the taste experience when something acidic is taken into the mouth
  Synonym:acidulousness

双语例句

• Add honey to counterbalance the acidity
  加点蜂蜜来调和酸味。
• Both nitrogen and sulphur emissions are major contributors to soil acidity and environmental pollution.
  氮和硫的排放物是造成土壤酸度和环境污染的两大主要来源。
• The influence on precipitation acidity in different time and space is not alike due to geographical and meteorological conditions.
  由于当地地理位置和气象条件的差异，不同的时间和不同空间里影响的程度也不同。
• Chemical reagent& General method for the determination of acidity and alkalinity
  GB/T9736-1988化学试剂酸度和碱度测定通用方法
• Dry, full, properly balanced and extremely enticing with lingering acidity and flavors of cherry and spice.
  口味干、饱满，均衡极佳，非常诱人，萦绕着酸味和樱桃以及香料的味道。
• Like volatile acidity in wine, it is an intrinsic quality which may become unpleasant if found in excess.
  就如葡萄酒中的挥发性的酸一样，这种香气是一种内在的品质，如果过多的话会变得令人不快。
• Hard: Firm, resulting from high acidity or tannins.
  涩口：由于酸度和丹宁含量高而引起的麻辣的感觉。
• This is the fresh, zippy, invigorating smell of lemon zest usually associated with the fruit's acidity.
  这是一种柠檬风味的新鲜、活泼、爽快的味道，通常和水果的酸味相关联。
• The technique of microcalorimetric adsorption and its application for measurements of surface acidity and basicity have been reviewed.
  本论文主要介绍了微量吸附量热技术及其在研究几种固体酸碱材料表面性质上的应用。
• The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.
  乙醛和丙二醇的缩醛化反应表明丙二醇的转化率主要受催化剂表面弱酸度的影响。