3 sentences

1. 这种新药能有效延缓衰老的过程。

   zhè zhǒng xīn yào néng yǒu​xiào yán​huǎn shuāi​lǎo de guò​chéng.

   This new drug can effectively slow down the aging process.

   Source: Dong Chinese Dictionary

2. 保持良好的生活习惯可以延缓衰老。

   bǎo​chí liáng​hǎo de shēng​huó xí​guàn kě​yǐ yán​huǎn shuāi​lǎo.

   Maintaining good living habits can delay aging.

   Source: Dong Chinese Dictionary

3. 由于资金不足，项目的开工日期被迫延缓。

   yóu​yú zī​jīn bù​zú, xiàng​mù de kāi​gōng rì​qī bèi​pò yán​huǎn.

   Due to insufficient funds, the start date of the project was forced to be delayed.

   Source: Dong Chinese Dictionary