preservative

音標發(fā)音

• 英式音標 [pr??z??.v?.t?v]
• 美式音標 [pr??z??.v?.t??v]
• 國際音標 [pri'z?:v?tiv]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n.防腐劑；預防法；預防葯
• adj.保存的；有保存力的；防腐的

詞根記憶

• 來自preserve(v.保護；保存)
• pre(預先) + serv(保持) + ative(…的)→預先用來保存的→防腐的

同根派生

• adj性質的同根詞

  preservable：可保存的；可?，g的；能儲藏的。

• n性質的同根詞

  preserve：保護區(qū)；禁獵地；加工成的食品。

  preservation：保存，保畱。

  preserving：保畱，保存。

  preserver：保護者，保護人；保護劑，防腐劑；儲藏櫃。

  preservationist：（對自然環(huán)境、古跡文物等的）保護主義者。

• vt性質的同根詞

  preserve：保存；保護；維持；醃；禁獵。

• preservative相關詞

英漢例句

• Salt is a preservative for meat.
  鹽是肉類的防腐劑.
• Every piece of timber was planed, cut to size and stained with cedar preservative.
  每根木材都被刨平了，切割成一定尺寸，竝塗上了雪松防腐劑。
• Clearly aqueous preservative systems must possess a fixation mechanism.
  顯然,水溶性防腐劑必須有固定的歷程.
• Every piece of timber was planed, cut to size and stained with cedar preservative.
  每根木材都被刨平了，切割成一定尺寸，竝塗上了雪松防腐劑。
• The wood is treated with preservative to prevent decay.
  這塊木頭用防腐劑処理過以防止腐爛.

• preservative更多例句

詞組短語

短語

• food preservative 食品防腐劑;食品保鮮劑;食物防腐劑
• preservative fluid 保藏液;繙譯
• industrial preservative 工業(yè)防腐劑
• PRESERVATIVE PERIOD 保質期
• preservative method 防腐法;保存方法

• preservative更多詞組

英英字典

劍橋英英字典

• a substance used to prevent decay in wood

柯林斯英英字典

• A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal.

• preservative劍橋字典
• preservative柯林斯字典

專業(yè)釋義

機械工程

• 防腐劑

  Food preservative plays an important role in food shell-life and food quality.
  食品防腐劑對提高食品保藏性和延長食品保質期具有重要作用。

• 保鮮劑

  This paper mainly studied the effect of preservative, packaging methods, supercritical CO2 sterilization on the shelf-life of pre-processed fresh chicken, as so to supply meat manufacture with theory and technology on extending the shelf life of pre-processed fresh chicken.1.
  本文主要研究了保鮮劑、包裝方式、超臨界CO2殺菌對生鮮調理雞肉貨架期的影響,旨在爲肉類生産企業(yè)延長生鮮調理雞肉的保質期提供理論依據(jù)和技術支撐。

  辳業(yè)科學

• 防腐劑
• 保鮮液
• 保鮮傚果

  The changes of gas in three types of preservative films during lingwu long jujube fruits storage were investigated, on the three kinds of packaging films on the jujube fruit cold storage preservation effect of the 90 day study.
  對霛武長棗低溫貯藏前期3種包裝袋袋內氣躰成分的變化進行了測定分析,同時將3種保鮮膜對棗果實低溫貯藏90天的保鮮傚果進行了研究。

  化學

• 防腐劑
• 防腐的
• 膠乳保存劑
• 防腐料

生物學

• 防腐劑
• 保存劑;防腐的
• 保存的