An experimental study was conducted of the high temperature and low oxygen air burning of propane and its flame characteristics along with a discussion of its possible industrial applications.

对丙烷的高温低氧空气燃烧及其火焰特性进行实验研究，并对其工业应用进行探讨。

youdao

The smell of burning rubber filled the air.

空气中弥漫着橡胶燃烧的气味。

《牛津词典》

There was a smell of burning in the air.

空气中有一股烧东西的焦煳味。

《牛津词典》

Fertilized soil and the burning of crop waste also release harmful gases into the air.

VOA: special.2010.01.05

"Traditional environmental risks are those that face largely the poor in China, risks like drinking water contaminated with infectious organisms or highly polluted indoor air from people burning wood or other dirty fuels inside homes without chimneys."

VOA: standard.2010.04.07

If you look at across the whole life cycle of growing corn, making ethanol and burning it in a car, and compare that to what happens when you find oil and make gasoline and burn it in a car, you only have about 15 percent less greenhouse gas going into the air from burning ethanol than you would if you're burning gasoline.

NPR: Biofuels and Food Prices

He would wake up in eastern Baghdad, inhale its bitter, burning air, and say it.

NPR: Excerpt: 'The Good Soldiers'

In a flash the foil was clean, and a clear mist hung in the air without any burning taking place.

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