5 sentences

1. 醋通常用于保存食物。

   cù tōng​cháng yòng​yú bǎo​cún shí​wù.

   Vinegar is commonly used to preserve food.

   Source: CCMatrix

2. 盐也用于保存食品。

   yán yě yòng​yú bǎo​cún shí​pǐn.

   Salt is also used to preserve food.

   Source: CCMatrix

3. 发酵已经被使用了数千年，以自然地保存食物和饮料。

   fā​jiào yǐ​jing bèi shǐ​yòng le shù qiān​nián, yǐ zì​rán de bǎo​cún shí​wù hé yǐn​liào.

   Fermentation has been used for thousands of years to preserve food and drinks naturally.

   Source: CCMatrix

4. 没有人确切地知道当初人们是如何学会保存食物的。

   méi​yǒu​rén què​qiè de zhī​dao dāng​chū rén​men shì rú​hé xué huì bǎo​cún shí​wù de.

   No one knows for sure how people first learned to preserve food.

   Source: UM-Corpus: Education

5. 我们倾向于认为冰箱是一种尽可能长时间保存食物的工具。

   wǒ​men qīng​xiàng​yú rèn​wéi bīng​xiāng shì yī​zhǒng jǐn​kě​néng cháng​shí​jiān bǎo​cún shí​wù de gōng​jù.

   We tend to think of the refrigerator as a tool to preserve food for as long as possible.

   Source: CCMatrix