4 sentences

1. 这种细菌在低温环境下也能存活。

   zhè zhǒng xì​jūn zài dī​wēn huán​jìng xià yě néng cún​huó.

   This type of bacteria can survive even in low temperatures.

   Source: Dong Chinese Dictionary

2. 刚种下的树苗需要定时浇水，否则在烈日下很难存活。

   gāng zhòng xià de shù​miáo xū​yào dìng​shí jiāo​shuǐ, fǒu​zé zài liè​rì xià hěn nán cún​huó.

   Newly planted saplings need to be watered regularly; otherwise, it is difficult for them to survive under the scorching sun.

   Source: Dong Chinese Dictionary

3. 尽管发生了剧烈的爆炸，他竟然奇迹般地存活了下来。

   jǐn​guǎn fā​shēng le jù​liè de bào​zhà, tā jìng​rán qí​jì bān de cún​huó le xià​lai.

   He miraculously survived despite the violent explosion.

   Source: Dong Chinese Dictionary

4. 森林火灾严重影响了当地野生动物的存活。

   sēn​lín huǒ​zāi yán​zhòng yǐng​xiǎng le dāng​dì yě​shēng dòng​wù de cún​huó.

   Forest fires have seriously affected the survival of local wildlife.

   Source: Dong Chinese Dictionary