the bovine family tree divided into two major groups.

VOA: special.2009.05.05

So it was a major change in human evolution where people started raising animals in large groups or started growing plants in large amounts.

这在人来演化史上是个巨大的变革,人类开始大规模饲养动物,或是大量种植农作物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And that is a major challenge." Larry Graham,president of the National Confectioners Association in Washington, represented industry groups at the launch of the framework.

VOA: special.2010.10.26

Nearly all of the major muscle groups are put to work.

VOA: special.2010.06.08

The tribal areas he controls have served as a major safe haven for al-Qaida and other terrorist groups.

VOA: standard.2009.06.18

The role of civil society groups took a major step forward following ASEAN meetings earlier this year.

VOA: standard.2009.10.09

Second,it attracts attention and shows the groups have the ability to attack a major power station.

VOA: standard.2010.07.21

"Mortality disparities were noted for all four major U.S.racial and ethnic minorities groups."

VOA: standard.2010.04.07