Ms.Mayhew says the warning from the government to pay more attention to the problem might lead more schools to start or expand their programs.

VOA: special.2011.05.26

The purpose here is to look at a series of processes in which temperature is held constant, and we're going to calculate how much work we get from allowing a gas to expand under various conditions.

目的是让大家了解一下,几个保持温度不变的过程，然后我们将计算,气体在不同膨胀过程中,的对外做功。

麻省理工公开课 - 热力学与动力学课程节选

The installation of the components will enable NASA and its international partners to expand the station's crew from three to six astronauts later this year.

VOA: standard.2009.03.15

Saturday's attacks come as the Pakistani military works to expand its offensive against the Taliban from in and around Swat Valley to the north to South Waziristan.

VOA: standard.2009.09.26

"Let us settle it, expand and love our homeland." Mr.Netanyahu reluctantly imposed a partial freeze on West Bank construction under pressure from the United States, which sees the settlements as an obstacle to peace.

VOA: standard.2010.01.03