5 sentences

1. 早先这里是一片荒地。

   zǎo​xiān zhè​lǐ shì yī piàn huāng​dì.

   Previously, this place was a wasteland.

   Source: Dong Chinese Dictionary

2. 昔日的荒地如今已变成了繁华的商业区。

   xī​rì de huāng​dì rú​jīn yǐ biàn​chéng le fán​huá de shāng​yè​qū.

   The wasteland of the past has now turned into a bustling commercial area.

   Source: Dong Chinese Dictionary

3. 这里的荒地已经被开垦成肥沃的农田了。

   zhè​lǐ de huāng​dì yǐ​jīng bèi kāi​kěn chéng féi​wò de nóng​tián le.

   This wasteland has been reclaimed into fertile farmland.

   Source: Dong Chinese Dictionary

4. 经过多年的治理，这片荒地已经变为了绿洲。

   jīng​guò duō nián de zhì​lǐ, zhè piàn huāng​dì yǐ​jīng biàn​wéi le lǜ​zhōu.

   After years of cultivation, this wasteland has been transformed into an oasis.

   Source: Dong Chinese Dictionary

5. 这片荒地经过火烧之后，明年会长出更绿的草。

   zhè piàn huāng​dì jīng​guò huǒ​shāo zhī​hòu, míng​nián huì zhǎng​chū gèng lǜ de cǎo.

   After this wasteland is burned over, greener grass will grow next year.

   Source: Dong Chinese Dictionary