3 sentences

1. 我们正处在一个改革的时代。

   wǒ​men zhèng chǔ​zài yī gè gǎi​gé de shí​dài.

   We are in an era of reform.

   Source: Dong Chinese Dictionary

2. 我们正处在一个充满机遇的新时代。

   wǒ​men zhèng chǔ​zài yī gè chōng​mǎn jī​yù de xīn​shí​dài.

   We are in a new era full of opportunities.

   Source: Dong Chinese Dictionary

3. 目前该工作正处在关键的推进阶段。

   mù​qián gāi gōng​zuò zhèng chǔ​zài guān​jiàn de tuī​jìn jiē​duàn.

   Currently, the work is at a critical stage of advancement.

   Source: Dong Chinese Dictionary