preservatives

IPA/prɪˈzɜː.və.tɪv/
KK[prəzˈɚvətɪvz]IPA/prɪˈzɝː.və.t̬ɪv/

preservatives — 名詞

  • preservativessingular
  • preservativesesplural

1. a chemical substance that is put onto wood surfaces to stop them from rotting or

1.名詞B2
釋義

木材防腐劑

防止木材腐朽的化學藥劑

a chemical substance that is put onto wood surfaces to stop them from rotting or being damaged by insects

例句

Tomiko applied wood preservatives to the fence posts before the rainy season.

Tomiko 在雨季來臨前，替籬笆木樁塗上了木材防腐劑。

collocation: wood preservatives

Most wood preservatives contain chemicals that protect against termites and fungal growth.

多數木材防腐劑含有防止白蟻和真菌生長的化學物質。

同義詞
  • wood treatment

    a broader term that includes preservatives as well as other protective coatings

  • timber treatment

    more common in British English for the same type of product

文法句型

preservatives + used in/on/for [noun]

用法筆記

Wood preservatives are usually applied with a brush or spray before the wood is exposed to weather. Unlike food preservatives, they are not safe to eat.

常見錯誤

❌I need to buy a preservative for my garden salad.
✅I need to buy a preservative for my wooden deck.
💡wood preservatives are for wood, not food.

2. a chemical substance put into food and drinks to stop them from going bad or los

2.名詞B1
釋義

食品防腐劑

防止食物腐敗的添加物

a chemical substance put into food and drinks to stop them from going bad or losing their flavour over time

例句

Packaged foods like crackers and canned soup often contain preservatives to stay fresh for months.

餅乾和罐頭湯等包裝食品通常含有防腐劑，可保持數月不壞。

pattern: contain preservatives

Elena checks food labels carefully to avoid artificial preservatives.

Elena 仔細閱讀食品標籤，避免吃進人工防腐劑。

同義詞
  • food additive

    a broader category; all preservatives are food additives, but not all food additives are preservatives

  • chemical additive

    emphasises the synthetic nature; more negative connotation

文法句型

preservatives + in/added to [food/drink]

用法筆記

Frequently used in the plural because several different chemicals are often combined in a product. Common in discussions of food labels and health.

常見錯誤

❌This yogurt contains preservatives to keep the flavour.' (missing context about shelf life).
✅This yogurt contains preservatives to keep it from going bad.
💡preservatives prevent spoilage, not just flavour loss.