preservative

英 [prɪˈzɜːvətɪv]

美 [prɪˈzɜːrvətɪv]

n.  防腐剂; 保护剂
adj.  防腐的，（能）保存的; 储藏的; 有保护力的

复数：preservatives　

TOEFLGRE

Collins.1 / BNC.20370 / COCA.17163

牛津词典

noun

• 防腐剂；保护剂
  a substance used to prevent food or wood from decaying
  1. The juice contains no artificial preservatives.
     这种果汁不含人工防腐剂。
  2. (a) wood preservative
     木材防腐剂

柯林斯词典

• N-MASS 防腐剂；保护剂
  Apreservativeis a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal.
  1. Nitrates are used as preservatives in food manufacture...
     硝酸盐在食品加工业中被用作防腐剂。
  2. Though the panels come pre-treated, they needed a final sealing with two coats of preservative.
     虽然这些镶板运来时经过了预处理，但是还需要涂上两层防腐剂进行最后的密封。

英英释义

noun

• a chemical compound that is added to protect against decay or decomposition

adj

• tending or having the power to preserve
  1. timbers should be treated with a preservative substance

双语例句

• A sweet liquid preservative used as an antifreeze and in brake fluid.
  一种甜味液态防腐剂，用作防冻剂，亦用于制动液中。
• Salt has a preservative effect on food.
  盐对食物有防腐作用。
• Though the panels come pre-treated, they needed a final sealing with two coats of preservative.
  虽然这些镶板运来时经过了预处理，但是还需要涂上两层防腐剂进行最后的密封。
• Useage: Analytical reagent, meat preservative, can also be used in the pharmaceutical industry.
  用途：分析试剂，肉类防腐剂，也用于制药。
• The noodles are made by advanced low-temperature production line without any preservative or pigment but remain lots of nutrition.
  面条不含任何防腐剂与化学合成色素，先进的低温生产线保留了小麦的多种营养成分；
• This preservative treatment shall not have any adverse effect on the subsequent paintwork.
  本防腐剂处理不得对后来的油漆工程产生不利影响。
• However, thiomersal, the preservative in some vaccines, contains ethyl mercury not methyl mercury.
  然而，在某些疫苗中用作防腐剂的硫柳汞含乙基汞，并非含甲基汞。
• Can add to lotions, lip balms and eye creams, also act as a mild preservative.
  可加入乳液、面霜，润唇膏和眼霜，亦可作防腐。
• Illegally taking tax enforcement measures and tax preservative measures;
  违法采取税收强制措施和税收保全措施的；
• The preservative conditions and term of validity of the standard sample are fixed on the basis of relevant experiments.
  另外，通过对酸解烃标准样品的保存试验研究，确定了该样品的包装和有效期。