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

• 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。
• The effect of acidity on the synthesis of phenylbiguanide from the additive reaction of aniline with dicyandiamide was studied.
  研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响。
• The higher the acidity of solvent, the higher the solubility of As and Se in it.
  溶提剂酸度愈高，对飞灰中砷、硒的溶解率也愈高。
• 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。
• Adsorption, acidity and physico-chemical properties of heteropoly acid catalysts
  杂多酸催化剂的吸附、酸性和物化性质
• Acidity can affect your daily activity and you face difficulty in swallowing foods.
  酸度可能会影响您的日常活动和您所面临的困难，吞咽食物。
• Grown in volcanic soil, this fair trade coffee is full-bodied with a light acidity and hints of cocoa.
  生长在火山岩土壤里，是公平贸易咖啡，优异的醇度，明亮的酸度和暗暗的可可味。
• The effect of acid treatment on the structure and acidity of β zeolite was investigated.
  考察了酸处理对β沸石的结构和酸性的影响；
• 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。
• 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。