3 sentences for 大片 (dà​piàn — expanse)

1. 窗外是一大片绿油油的草地。

   chuāng wài shì yī dà​piàn lǜ​yóu​yóu de cǎo​dì.

   Outside the window is a vast stretch of green lawn.

   Source: Dong Chinese Dictionary

2. 海水淹没了沿岸的大片农田。

   hǎi​shuǐ yān​mò le yán'àn de dà​piàn nóng​tián.

   Seawater flooded large areas of farmland along the coast.

   Source: Dong Chinese Dictionary

3. 潜水员在深海中发现了一大片五彩缤纷的珊瑚。

   qián​shuǐ​yuán zài shēn​hǎi zhōng fā​xiàn le yī dà​piàn wǔ​cǎi​bīn​fēn de shān​hú.

   Divers discovered a vast area of colorful coral in the deep sea.

   Source: Dong Chinese Dictionary