They are said to use forty to fifty percent less wood than an open fire, and produce fifty to seventy-five percent less smoke.

VOA: special.2010.02.01

Or, another way of saying it is, I'm going to open up the fire hose a little bit today.

也就是说，今天我会把水龙头,稍微多拧开一点。

麻省理工公开课 - 计算机科学及编程导论课程节选

The explosion was a signal for all Confederate guns surrounding the fort to open fire.

VOA: special.2009.08.13

That explosion would signal the other guns surrounding the fort to open fire.

VOA: special.2009.08.06

Research on HCAs has made some people afraid to prepare meat on a grill - the place where meat is cooked on hot coals or an open fire.

VOA: special.2010.06.01

Research on HCAs has made some people afraid to prepare meat on a grill C the place where meat is cooked on hot coals or an open fire.

VOA: special.2009.05.19

Many witnesses say Toumba gave the order for the presidential guard to open fire on people protesting Captain Camara's expected presidential candidacy.

VOA: standard.2009.12.07

The North Korean newscaster says it will open fire on the South Korean loudspeakers and destroy them.

VOA: standard.2010.05.26

They receive permission and open fire on the group. "Let Me know when you've got them."

VOA: standard.2010.04.06

He warned that if Lebanese forces open fire again, Israel would have to respond.

VOA: standard.2010.08.04

In a battle, the windows would open, the cannons would fire, and the windows would close again.

VOA: special.2009.09.10