And speaking of mountains, Alaska has more than seventy volcanoes that are potentially active, meaning that someday they could erupt.

VOA: special.2009.03.02

There has been a strong move to change that relationship, with the students become far more active, and active participated in his or her own learning.

要改变这种教学的关系,让学生变得更积极，参与到自己的学习过程中。

麻省理工公开课 - 媒体、教育、市场课程节选

The study found that happy people are more likely to be socially active, read,vote and attend religious services.

VOA: special.2009.03.10

Getting children to be more physically active in and after school and improving playgrounds in neighborhoods.

VOA: special.2010.06.07

They rated themselves as less depressed and more active in school.

VOA: special.2010.07.07

He spoke to us about the finding. "It really means that the planet is more active than we thought,and more active and that can be geologically or maybe even biologically."

VOA: special.2009.12.30

Recently,AMISOM has begun taking a more active role in the conflict, patrolling far beyond their bases, and at one point, fighting alongside government forces.

VOA: standard.2009.08.21

U.N.Special Representative Radhika Coomaraswamy says during the past year, a significant number of child soldiers were released by the National Liberation Forces in Burundi and more children are to be released in the Central African Republic and the Philippines as a result of active intervention by the United Nations.

VOA: standard.2009.09.16