Target of the investigation is an extinct-burnt area.

调查区为煤层自燃死火区。

youdao

His burnt area covered 30 percent of his body surface.

他的烧伤面积达到全身的30%。

youdao

The burnt area covered one quarter of the patient's body surface.

病人的烧伤面积占身体表面的四分之一。

youdao

Army commandos dropped from a helicopter examined the mangled and burnt wreckage on the slope of a heavily-forested hill, in an area infested with Maoist rebels.

VOA: standard.2009.09.03

The second time the area was searched, a burnt-out chair and a burnt-out mattress were found.

BBC: Lynda Spence

I'm standing in a small village about 15 miles outside of Coimbra, and basically the whole area around here is a very rich forest that has been burnt to the ground.

NPR: In Portugal Another Season of Forest Fires

Maina Ma'aji Lawan, a senator for the area, told the BBC Hausa service that more than 4, 000 houses had been burnt and more than 200 people had died.

BBC: Baga raid: Satellite images 'show Nigeria army abuse'