Natural gas stoves or gas water heaters are usually connected to a device that safely expels the gas from the home.

VOA: special.2010.02.02

You can become dehydrated and die just as a result of the loss of water there, because of your body's natural response to the infection.

就会脱水,而失水的后果就是死亡,这是你身体对于这种感染的自然反应

耶鲁公开课 - 生物医学工程探索课程节选

The action of wind and water can form cave openings like natural rooms within the rock.

VOA: special.2009.07.20

His main targets were companies that supplied the public with water, electricity,and natural gas.

VOA: special.2010.08.05

Natural micro-organisms in the water helped eat the oil and clean up the spill.

VOA: special.2011.04.23

Water heaters that burn natural gas create carbon monoxide.

VOA: special.2010.02.02

The World Meteorological Organization says 90 percent of all natural disasters are related to weather, water and climate events.

VOA: standard.2009.03.23

They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.

VOA: standard.2010.01.02

With no natural predator in the water, and almost no domestic market to sell them as food, Asian Carp threaten to expand into waterways through the city of Chicago, and into Lake Michigan, about 320 kilometers northwest of Havana.

VOA: standard.2010.07.20