4 sentences

1. 这里的农民大面积种植油菜来榨油。

   zhè​lǐ de nóng​mín dà​miàn​jī zhòng​zhí yóu​cài lái zhà yóu.

   Farmers here plant rapeseed on a large scale for oil extraction.

   Source: Dong Chinese Dictionary

2. 医生正在处理病人大面积烧伤的皮肤。

   yī​shēng zhèng​zài chǔ​lǐ bìng​rén dà​miàn​jī shāo​shāng de pí​fū.

   The doctor is treating the patient's extensively burned skin.

   Source: Dong Chinese Dictionary

3. 由于经济不景气，该行业出现了大面积的裁员现象。

   yóu​yú jīng​jì bù jǐng​qì, gāi háng​yè chū​xiàn le dà​miàn​jī de cái​yuán xiàn​xiàng.

   Due to the economic downturn, there have been widespread layoffs in the industry.

   Source: Dong Chinese Dictionary

4. 只有严格执行防疫措施，才能防止病毒大面积传播。

   zhǐ​yǒu yán​gé zhí​xíng fáng​yì cuò​shī, cái néng fáng​zhǐ bìng​dú dà​miàn​jī chuán​bō.

   Only by strictly implementing epidemic prevention measures can the large-scale spread of the virus be prevented.

   Source: Dong Chinese Dictionary